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Finding the Fourth Proportional to 63,453.62, 87,575.16 and 36,590.78

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Solution

The fourth proportional to 63,453.62, 87,575.16 and 36,590.78 is: 50,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,453.62 : 87,575.16 = 36,590.78 : x
  2. Step 2: Convert to fraction form
    63,453.62/87,575.16 = 36,590.78/x
  3. Step 3: Cross multiply
    63,453.62x = 87,575.16 × 36,590.78
  4. Step 4: Simplify right side
    63,453.62x = 3,204,442,975.15
  5. Step 5: Solve for x
    x = 3,204,442,975.15/63,453.62
  6. Step 6: Final answer
    x = 50,500.56

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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.