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Finding the Fourth Proportional to 44,438.70, 66,658.05 and 40,793.70

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Solution

The fourth proportional to 44,438.70, 66,658.05 and 40,793.70 is: 61,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,438.70 : 66,658.05 = 40,793.70 : x
  2. Step 2: Convert to fraction form
    44,438.70/66,658.05 = 40,793.70/x
  3. Step 3: Cross multiply
    44,438.70x = 66,658.05 × 40,793.70
  4. Step 4: Simplify right side
    44,438.70x = 2,719,228,494.29
  5. Step 5: Solve for x
    x = 2,719,228,494.29/44,438.70
  6. Step 6: Final answer
    x = 61,190.55

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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.