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Finding the Fourth Proportional to 40,934.52, 61,401.80 and 16,327.80

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Solution

The fourth proportional to 40,934.52, 61,401.80 and 16,327.80 is: 24,491.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,934.52 : 61,401.80 = 16,327.80 : x
  2. Step 2: Convert to fraction form
    40,934.52/61,401.80 = 16,327.80/x
  3. Step 3: Cross multiply
    40,934.52x = 61,401.80 × 16,327.80
  4. Step 4: Simplify right side
    40,934.52x = 1,002,556,310.04
  5. Step 5: Solve for x
    x = 1,002,556,310.04/40,934.52
  6. Step 6: Final answer
    x = 24,491.71

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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.