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Finding the Fourth Proportional to 24,337.40, 36,506.10 and 20,400.80

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Solution

The fourth proportional to 24,337.40, 36,506.10 and 20,400.80 is: 30,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,337.40 : 36,506.10 = 20,400.80 : x
  2. Step 2: Convert to fraction form
    24,337.40/36,506.10 = 20,400.80/x
  3. Step 3: Cross multiply
    24,337.40x = 36,506.10 × 20,400.80
  4. Step 4: Simplify right side
    24,337.40x = 744,753,644.88
  5. Step 5: Solve for x
    x = 744,753,644.88/24,337.40
  6. Step 6: Final answer
    x = 30,601.20

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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.