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Finding the Fourth Proportional to 74,469.54, 111,680.55 and 24,538.44

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Solution

The fourth proportional to 74,469.54, 111,680.55 and 24,538.44 is: 36,799.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,469.54 : 111,680.55 = 24,538.44 : x
  2. Step 2: Convert to fraction form
    74,469.54/111,680.55 = 24,538.44/x
  3. Step 3: Cross multiply
    74,469.54x = 111,680.55 × 24,538.44
  4. Step 4: Simplify right side
    74,469.54x = 2,740,466,475.34
  5. Step 5: Solve for x
    x = 2,740,466,475.34/74,469.54
  6. Step 6: Final answer
    x = 36,799.83

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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.