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Finding the Fourth Proportional to 54,605.70, 81,908.46 and 17,169.04

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Solution

The fourth proportional to 54,605.70, 81,908.46 and 17,169.04 is: 25,753.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,605.70 : 81,908.46 = 17,169.04 : x
  2. Step 2: Convert to fraction form
    54,605.70/81,908.46 = 17,169.04/x
  3. Step 3: Cross multiply
    54,605.70x = 81,908.46 × 17,169.04
  4. Step 4: Simplify right side
    54,605.70x = 1,406,289,626.08
  5. Step 5: Solve for x
    x = 1,406,289,626.08/54,605.70
  6. Step 6: Final answer
    x = 25,753.53

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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.