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Finding the Fourth Proportional to 71,380.35, 107,077.86 and 24,622.29

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Solution

The fourth proportional to 71,380.35, 107,077.86 and 24,622.29 is: 36,935.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,380.35 : 107,077.86 = 24,622.29 : x
  2. Step 2: Convert to fraction form
    71,380.35/107,077.86 = 24,622.29/x
  3. Step 3: Cross multiply
    71,380.35x = 107,077.86 × 24,622.29
  4. Step 4: Simplify right side
    71,380.35x = 2,636,502,121.50
  5. Step 5: Solve for x
    x = 2,636,502,121.50/71,380.35
  6. Step 6: Final answer
    x = 36,935.97

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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.