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Finding the Fourth Proportional to 44,138.67, 66,237.17 and 20,766.93

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Solution

The fourth proportional to 44,138.67, 66,237.17 and 20,766.93 is: 31,164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,138.67 : 66,237.17 = 20,766.93 : x
  2. Step 2: Convert to fraction form
    44,138.67/66,237.17 = 20,766.93/x
  3. Step 3: Cross multiply
    44,138.67x = 66,237.17 × 20,766.93
  4. Step 4: Simplify right side
    44,138.67x = 1,375,542,751.56
  5. Step 5: Solve for x
    x = 1,375,542,751.56/44,138.67
  6. Step 6: Final answer
    x = 31,164.12

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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.