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Finding the Fourth Proportional to 63,516.64, 87,590.64 and 58,493.92

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Solution

The fourth proportional to 63,516.64, 87,590.64 and 58,493.92 is: 80,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,516.64 : 87,590.64 = 58,493.92 : x
  2. Step 2: Convert to fraction form
    63,516.64/87,590.64 = 58,493.92/x
  3. Step 3: Cross multiply
    63,516.64x = 87,590.64 × 58,493.92
  4. Step 4: Simplify right side
    63,516.64x = 5,123,519,888.91
  5. Step 5: Solve for x
    x = 5,123,519,888.91/63,516.64
  6. Step 6: Final answer
    x = 80,664.21

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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.