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Finding the Fourth Proportional to 24,421.92, 36,612.90 and 20,248.80

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Solution

The fourth proportional to 24,421.92, 36,612.90 and 20,248.80 is: 30,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,421.92 : 36,612.90 = 20,248.80 : x
  2. Step 2: Convert to fraction form
    24,421.92/36,612.90 = 20,248.80/x
  3. Step 3: Cross multiply
    24,421.92x = 36,612.90 × 20,248.80
  4. Step 4: Simplify right side
    24,421.92x = 741,367,289.52
  5. Step 5: Solve for x
    x = 741,367,289.52/24,421.92
  6. Step 6: Final answer
    x = 30,356.63

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1.5x scale

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.