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Finding the Fourth Proportional to 74,549.70, 111,800.82 and 24,620.46

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Solution

The fourth proportional to 74,549.70, 111,800.82 and 24,620.46 is: 36,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,549.70 : 111,800.82 = 24,620.46 : x
  2. Step 2: Convert to fraction form
    74,549.70/111,800.82 = 24,620.46/x
  3. Step 3: Cross multiply
    74,549.70x = 111,800.82 × 24,620.46
  4. Step 4: Simplify right side
    74,549.70x = 2,752,587,616.78
  5. Step 5: Solve for x
    x = 2,752,587,616.78/74,549.70
  6. Step 6: Final answer
    x = 36,922.85

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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.