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Finding the Fourth Proportional to 40,229.40, 60,372.90 and 22,680.60

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Solution

The fourth proportional to 40,229.40, 60,372.90 and 22,680.60 is: 34,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,229.40 : 60,372.90 = 22,680.60 : x
  2. Step 2: Convert to fraction form
    40,229.40/60,372.90 = 22,680.60/x
  3. Step 3: Cross multiply
    40,229.40x = 60,372.90 × 22,680.60
  4. Step 4: Simplify right side
    40,229.40x = 1,369,293,595.74
  5. Step 5: Solve for x
    x = 1,369,293,595.74/40,229.40
  6. Step 6: Final answer
    x = 34,037.14

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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.