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Finding the Fourth Proportional to 47,892.76, 71,872.02 and 16,728.04

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Solution

The fourth proportional to 47,892.76, 71,872.02 and 16,728.04 is: 25,103.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,892.76 : 71,872.02 = 16,728.04 : x
  2. Step 2: Convert to fraction form
    47,892.76/71,872.02 = 16,728.04/x
  3. Step 3: Cross multiply
    47,892.76x = 71,872.02 × 16,728.04
  4. Step 4: Simplify right side
    47,892.76x = 1,202,278,025.44
  5. Step 5: Solve for x
    x = 1,202,278,025.44/47,892.76
  6. Step 6: Final answer
    x = 25,103.54

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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.