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Finding the Fourth Proportional to 57,622.38, 86,380.32 and 36,498.54

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Solution

The fourth proportional to 57,622.38, 86,380.32 and 36,498.54 is: 54,714.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,622.38 : 86,380.32 = 36,498.54 : x
  2. Step 2: Convert to fraction form
    57,622.38/86,380.32 = 36,498.54/x
  3. Step 3: Cross multiply
    57,622.38x = 86,380.32 × 36,498.54
  4. Step 4: Simplify right side
    57,622.38x = 3,152,755,564.73
  5. Step 5: Solve for x
    x = 3,152,755,564.73/57,622.38
  6. Step 6: Final answer
    x = 54,714.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.