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Finding the Fourth Proportional to 40,604.71, 60,917.55 and 12,524.13

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Solution

The fourth proportional to 40,604.71, 60,917.55 and 12,524.13 is: 18,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,604.71 : 60,917.55 = 12,524.13 : x
  2. Step 2: Convert to fraction form
    40,604.71/60,917.55 = 12,524.13/x
  3. Step 3: Cross multiply
    40,604.71x = 60,917.55 × 12,524.13
  4. Step 4: Simplify right side
    40,604.71x = 762,939,315.48
  5. Step 5: Solve for x
    x = 762,939,315.48/40,604.71
  6. Step 6: Final answer
    x = 18,789.43

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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.