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Finding the Fourth Proportional to 54,625, 81,861.30 and 41,287.04

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Solution

The fourth proportional to 54,625, 81,861.30 and 41,287.04 is: 61,872.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,625 : 81,861.30 = 41,287.04 : x
  2. Step 2: Convert to fraction form
    54,625/81,861.30 = 41,287.04/x
  3. Step 3: Cross multiply
    54,625x = 81,861.30 × 41,287.04
  4. Step 4: Simplify right side
    54,625x = 3,379,810,767.55
  5. Step 5: Solve for x
    x = 3,379,810,767.55/54,625
  6. Step 6: Final answer
    x = 61,872.97

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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.