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Finding the Fourth Proportional to 24,447.78, 36,609.61 and 20,488.62

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Solution

The fourth proportional to 24,447.78, 36,609.61 and 20,488.62 is: 30,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,447.78 : 36,609.61 = 20,488.62 : x
  2. Step 2: Convert to fraction form
    24,447.78/36,609.61 = 20,488.62/x
  3. Step 3: Cross multiply
    24,447.78x = 36,609.61 × 20,488.62
  4. Step 4: Simplify right side
    24,447.78x = 750,080,387.64
  5. Step 5: Solve for x
    x = 750,080,387.64/24,447.78
  6. Step 6: Final answer
    x = 30,680.92

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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.