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Finding the Fourth Proportional to 8,904,805.71, 12,288,635.88 and 5,037,244.44

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Solution

The fourth proportional to 8,904,805.71, 12,288,635.88 and 5,037,244.44 is: 6,951,399.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904,805.71 : 12,288,635.88 = 5,037,244.44 : x
  2. Step 2: Convert to fraction form
    8,904,805.71/12,288,635.88 = 5,037,244.44/x
  3. Step 3: Cross multiply
    8,904,805.71x = 12,288,635.88 × 5,037,244.44
  4. Step 4: Simplify right side
    8,904,805.71x = 61,900,862,761,714.52
  5. Step 5: Solve for x
    x = 61,900,862,761,714.52/8,904,805.71
  6. Step 6: Final answer
    x = 6,951,399.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.