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Finding the Fourth Proportional to 63,372.83, 87,462.32 and 36,155.61

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Solution

The fourth proportional to 63,372.83, 87,462.32 and 36,155.61 is: 49,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,372.83 : 87,462.32 = 36,155.61 : x
  2. Step 2: Convert to fraction form
    63,372.83/87,462.32 = 36,155.61/x
  3. Step 3: Cross multiply
    63,372.83x = 87,462.32 × 36,155.61
  4. Step 4: Simplify right side
    63,372.83x = 3,162,253,350.84
  5. Step 5: Solve for x
    x = 3,162,253,350.84/63,372.83
  6. Step 6: Final answer
    x = 49,899.20

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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.