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Finding the Fourth Proportional to 63,509.92, 87,647.57 and 36,654.15

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Solution

The fourth proportional to 63,509.92, 87,647.57 and 36,654.15 is: 50,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,509.92 : 87,647.57 = 36,654.15 : x
  2. Step 2: Convert to fraction form
    63,509.92/87,647.57 = 36,654.15/x
  3. Step 3: Cross multiply
    63,509.92x = 87,647.57 × 36,654.15
  4. Step 4: Simplify right side
    63,509.92x = 3,212,647,357.69
  5. Step 5: Solve for x
    x = 3,212,647,357.69/63,509.92
  6. Step 6: Final answer
    x = 50,584.97

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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.