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Finding the Fourth Proportional to 54,343.67, 81,489.87 and 29,377.01

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Solution

The fourth proportional to 54,343.67, 81,489.87 and 29,377.01 is: 44,051.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,343.67 : 81,489.87 = 29,377.01 : x
  2. Step 2: Convert to fraction form
    54,343.67/81,489.87 = 29,377.01/x
  3. Step 3: Cross multiply
    54,343.67x = 81,489.87 × 29,377.01
  4. Step 4: Simplify right side
    54,343.67x = 2,393,928,318.44
  5. Step 5: Solve for x
    x = 2,393,928,318.44/54,343.67
  6. Step 6: Final answer
    x = 44,051.65

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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.