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Finding the Fourth Proportional to 24,757.20, 37,140.60 and 12,445.20

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Solution

The fourth proportional to 24,757.20, 37,140.60 and 12,445.20 is: 18,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,757.20 : 37,140.60 = 12,445.20 : x
  2. Step 2: Convert to fraction form
    24,757.20/37,140.60 = 12,445.20/x
  3. Step 3: Cross multiply
    24,757.20x = 37,140.60 × 12,445.20
  4. Step 4: Simplify right side
    24,757.20x = 462,222,195.12
  5. Step 5: Solve for x
    x = 462,222,195.12/24,757.20
  6. Step 6: Final answer
    x = 18,670.21

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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.