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Finding the Fourth Proportional to 54,452.88, 81,679.24 and 17,016.16

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Solution

The fourth proportional to 54,452.88, 81,679.24 and 17,016.16 is: 25,524.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,452.88 : 81,679.24 = 17,016.16 : x
  2. Step 2: Convert to fraction form
    54,452.88/81,679.24 = 17,016.16/x
  3. Step 3: Cross multiply
    54,452.88x = 81,679.24 × 17,016.16
  4. Step 4: Simplify right side
    54,452.88x = 1,389,867,016.52
  5. Step 5: Solve for x
    x = 1,389,867,016.52/54,452.88
  6. Step 6: Final answer
    x = 25,524.22

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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.