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Finding the Fourth Proportional to 54,586.92, 81,891.93 and 17,150.79

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Solution

The fourth proportional to 54,586.92, 81,891.93 and 17,150.79 is: 25,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,586.92 : 81,891.93 = 17,150.79 : x
  2. Step 2: Convert to fraction form
    54,586.92/81,891.93 = 17,150.79/x
  3. Step 3: Cross multiply
    54,586.92x = 81,891.93 × 17,150.79
  4. Step 4: Simplify right side
    54,586.92x = 1,404,511,294.12
  5. Step 5: Solve for x
    x = 1,404,511,294.12/54,586.92
  6. Step 6: Final answer
    x = 25,729.81

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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.