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Finding the Fourth Proportional to 63,455.76, 87,545.78 and 37,962.86

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Solution

The fourth proportional to 63,455.76, 87,545.78 and 37,962.86 is: 52,374.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,455.76 : 87,545.78 = 37,962.86 : x
  2. Step 2: Convert to fraction form
    63,455.76/87,545.78 = 37,962.86/x
  3. Step 3: Cross multiply
    63,455.76x = 87,545.78 × 37,962.86
  4. Step 4: Simplify right side
    63,455.76x = 3,323,488,189.73
  5. Step 5: Solve for x
    x = 3,323,488,189.73/63,455.76
  6. Step 6: Final answer
    x = 52,374.89

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1.5x scale

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.