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Finding the Fourth Proportional to 63,508.83, 87,649.40 and 36,658.55

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Solution

The fourth proportional to 63,508.83, 87,649.40 and 36,658.55 is: 50,592.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,508.83 : 87,649.40 = 36,658.55 : x
  2. Step 2: Convert to fraction form
    63,508.83/87,649.40 = 36,658.55/x
  3. Step 3: Cross multiply
    63,508.83x = 87,649.40 × 36,658.55
  4. Step 4: Simplify right side
    63,508.83x = 3,213,099,565.77
  5. Step 5: Solve for x
    x = 3,213,099,565.77/63,508.83
  6. Step 6: Final answer
    x = 50,592.96

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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.