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Finding the Fourth Proportional to 63,379.47, 87,463.52 and 37,884.59

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Solution

The fourth proportional to 63,379.47, 87,463.52 and 37,884.59 is: 52,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,379.47 : 87,463.52 = 37,884.59 : x
  2. Step 2: Convert to fraction form
    63,379.47/87,463.52 = 37,884.59/x
  3. Step 3: Cross multiply
    63,379.47x = 87,463.52 × 37,884.59
  4. Step 4: Simplify right side
    63,379.47x = 3,313,519,823.90
  5. Step 5: Solve for x
    x = 3,313,519,823.90/63,379.47
  6. Step 6: Final answer
    x = 52,280.65

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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.