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Finding the Fourth Proportional to 63,448.97, 87,567.35 and 36,591.47

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Solution

The fourth proportional to 63,448.97, 87,567.35 and 36,591.47 is: 50,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,448.97 : 87,567.35 = 36,591.47 : x
  2. Step 2: Convert to fraction form
    63,448.97/87,567.35 = 36,591.47/x
  3. Step 3: Cross multiply
    63,448.97x = 87,567.35 × 36,591.47
  4. Step 4: Simplify right side
    63,448.97x = 3,204,217,439.71
  5. Step 5: Solve for x
    x = 3,204,217,439.71/63,448.97
  6. Step 6: Final answer
    x = 50,500.70

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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.