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Finding the Fourth Proportional to 40,591.70, 60,849.27 and 14,279.66

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Solution

The fourth proportional to 40,591.70, 60,849.27 and 14,279.66 is: 21,406.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,591.70 : 60,849.27 = 14,279.66 : x
  2. Step 2: Convert to fraction form
    40,591.70/60,849.27 = 14,279.66/x
  3. Step 3: Cross multiply
    40,591.70x = 60,849.27 × 14,279.66
  4. Step 4: Simplify right side
    40,591.70x = 868,906,582.60
  5. Step 5: Solve for x
    x = 868,906,582.60/40,591.70
  6. Step 6: Final answer
    x = 21,406.02

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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.