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Finding the Fourth Proportional to 63,458.78, 87,592.37 and 36,618.84

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Solution

The fourth proportional to 63,458.78, 87,592.37 and 36,618.84 is: 50,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,458.78 : 87,592.37 = 36,618.84 : x
  2. Step 2: Convert to fraction form
    63,458.78/87,592.37 = 36,618.84/x
  3. Step 3: Cross multiply
    63,458.78x = 87,592.37 × 36,618.84
  4. Step 4: Simplify right side
    63,458.78x = 3,207,530,799.16
  5. Step 5: Solve for x
    x = 3,207,530,799.16/63,458.78
  6. Step 6: Final answer
    x = 50,545.11

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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.