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Finding the Fourth Proportional to 39,873,714.72, 59,810,565.96 and 9,581,578.08

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Solution

The fourth proportional to 39,873,714.72, 59,810,565.96 and 9,581,578.08 is: 14,372,365.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,873,714.72 : 59,810,565.96 = 9,581,578.08 : x
  2. Step 2: Convert to fraction form
    39,873,714.72/59,810,565.96 = 9,581,578.08/x
  3. Step 3: Cross multiply
    39,873,714.72x = 59,810,565.96 × 9,581,578.08
  4. Step 4: Simplify right side
    39,873,714.72x = 573,079,607,754,730.12
  5. Step 5: Solve for x
    x = 573,079,607,754,730.12/39,873,714.72
  6. Step 6: Final answer
    x = 14,372,365.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.