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Finding the Fourth Proportional to 24,872.58, 37,308.87 and 20,480.81

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Solution

The fourth proportional to 24,872.58, 37,308.87 and 20,480.81 is: 30,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,872.58 : 37,308.87 = 20,480.81 : x
  2. Step 2: Convert to fraction form
    24,872.58/37,308.87 = 20,480.81/x
  3. Step 3: Cross multiply
    24,872.58x = 37,308.87 × 20,480.81
  4. Step 4: Simplify right side
    24,872.58x = 764,115,691.24
  5. Step 5: Solve for x
    x = 764,115,691.24/24,872.58
  6. Step 6: Final answer
    x = 30,721.21

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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.