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Finding the Fourth Proportional to 54,350.40, 81,525.12 and 17,414.40

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Solution

The fourth proportional to 54,350.40, 81,525.12 and 17,414.40 is: 26,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,350.40 : 81,525.12 = 17,414.40 : x
  2. Step 2: Convert to fraction form
    54,350.40/81,525.12 = 17,414.40/x
  3. Step 3: Cross multiply
    54,350.40x = 81,525.12 × 17,414.40
  4. Step 4: Simplify right side
    54,350.40x = 1,419,711,049.73
  5. Step 5: Solve for x
    x = 1,419,711,049.73/54,350.40
  6. Step 6: Final answer
    x = 26,121.45

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1.5x scale

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.