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Three numbers are in the ratio 2 : 3 : 4. The sum of their cubes is 33957. Find the largest number
we take each number as x = 2x 3x 4x (2x)³+(3x)³+(4x)³=33957 8x³+27x³+64x³=33957 99x³=33957 x³=33957÷99 =∛343 x=7 2x=2×7=14 3x=3×7=21 4x=4×7=28 =the three numbers are 14,21,28
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