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Finding the Fourth Proportional to 54,693.28, 82,039.92 and 17,757.28

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Solution

The fourth proportional to 54,693.28, 82,039.92 and 17,757.28 is: 26,635.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,693.28 : 82,039.92 = 17,757.28 : x
  2. Step 2: Convert to fraction form
    54,693.28/82,039.92 = 17,757.28/x
  3. Step 3: Cross multiply
    54,693.28x = 82,039.92 × 17,757.28
  4. Step 4: Simplify right side
    54,693.28x = 1,456,805,966.46
  5. Step 5: Solve for x
    x = 1,456,805,966.46/54,693.28
  6. Step 6: Final answer
    x = 26,635.92

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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.