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Finding the Fourth Proportional to 63,397.56, 87,489.81 and 36,535.53

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Solution

The fourth proportional to 63,397.56, 87,489.81 and 36,535.53 is: 50,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,397.56 : 87,489.81 = 36,535.53 : x
  2. Step 2: Convert to fraction form
    63,397.56/87,489.81 = 36,535.53/x
  3. Step 3: Cross multiply
    63,397.56x = 87,489.81 × 36,535.53
  4. Step 4: Simplify right side
    63,397.56x = 3,196,486,577.95
  5. Step 5: Solve for x
    x = 3,196,486,577.95/63,397.56
  6. Step 6: Final answer
    x = 50,419.71

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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.