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Finding the Fourth Proportional to 63,666.52, 87,861.68 and 36,806.65

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Solution

The fourth proportional to 63,666.52, 87,861.68 and 36,806.65 is: 50,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,666.52 : 87,861.68 = 36,806.65 : x
  2. Step 2: Convert to fraction form
    63,666.52/87,861.68 = 36,806.65/x
  3. Step 3: Cross multiply
    63,666.52x = 87,861.68 × 36,806.65
  4. Step 4: Simplify right side
    63,666.52x = 3,233,893,976.53
  5. Step 5: Solve for x
    x = 3,233,893,976.53/63,666.52
  6. Step 6: Final answer
    x = 50,794.27

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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.