The 19-year-old Indian rookie ended at 11-under 277, her third straight finish between 25th and 30th places. Aditi played out rounds of 70-68-70-69.
She has now made eight cuts in 10 starts, including two Majors, and is all set for the US Open next.
Meanwhile, after a 2-under-par 70, Australian Katherine Kirk put the finishing touches on her third LPGA Tour victory.
Kirk birdied the 72nd hole to finish at 22-under par, the lowest four-round tournament total in her career.
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Kirk's last LPGA Tour victory came in 2010, and to finally notch her third win proved that many years of hard work has finally paid off.
South Africa's Ashleigh Buhai finished runner-up -- her best finish ever on the LPGA Tour after a 5-under-par 67 and said she was comfortable in the final pairing of the day.
Buhai and Kirk had played together many times, but still, Kirk's 22-under par total proved to be just one shot too many for Buhai to overcome.
Next week the LPGA Tour heads to New Jersey for the US Women's Open, where Brittany Lang defends.
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