Jeremy had a total of 60 figurines of Batman, Spiderman and Ironman. The ratio of the number of Batman figurines to Spiderman figurines to Ironman figurines was 3:5:2. He bought some Batman, Spiderman and Ironman figurines and the total number of figurines he had become 75. As a result, the number of Batman figurines was increased by 50% and the number of Spiderman figurines was increased by 10%. Find the percentage increase in the number of Ironman figurines.

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