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Finding the Fourth Proportional to 24,374.70, 36,452.70 and 20,438.10

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Solution

The fourth proportional to 24,374.70, 36,452.70 and 20,438.10 is: 30,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,374.70 : 36,452.70 = 20,438.10 : x
  2. Step 2: Convert to fraction form
    24,374.70/36,452.70 = 20,438.10/x
  3. Step 3: Cross multiply
    24,374.70x = 36,452.70 × 20,438.10
  4. Step 4: Simplify right side
    24,374.70x = 745,023,927.87
  5. Step 5: Solve for x
    x = 745,023,927.87/24,374.70
  6. Step 6: Final answer
    x = 30,565.46

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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.