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Finding the Fourth Proportional to 63,390.87, 87,483.24 and 35,098.38

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Solution

The fourth proportional to 63,390.87, 87,483.24 and 35,098.38 is: 48,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,390.87 : 87,483.24 = 35,098.38 : x
  2. Step 2: Convert to fraction form
    63,390.87/87,483.24 = 35,098.38/x
  3. Step 3: Cross multiply
    63,390.87x = 87,483.24 × 35,098.38
  4. Step 4: Simplify right side
    63,390.87x = 3,070,520,001.15
  5. Step 5: Solve for x
    x = 3,070,520,001.15/63,390.87
  6. Step 6: Final answer
    x = 48,437.89

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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.