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Finding the Fourth Proportional to 40,240.40, 60,418.20 and 22,744.40

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Solution

The fourth proportional to 40,240.40, 60,418.20 and 22,744.40 is: 34,149.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,240.40 : 60,418.20 = 22,744.40 : x
  2. Step 2: Convert to fraction form
    40,240.40/60,418.20 = 22,744.40/x
  3. Step 3: Cross multiply
    40,240.40x = 60,418.20 × 22,744.40
  4. Step 4: Simplify right side
    40,240.40x = 1,374,175,708.08
  5. Step 5: Solve for x
    x = 1,374,175,708.08/40,240.40
  6. Step 6: Final answer
    x = 34,149.16

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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.