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Finding the Fourth Proportional to 54,754.54, 82,139.90 and 17,306.12

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Solution

The fourth proportional to 54,754.54, 82,139.90 and 17,306.12 is: 25,961.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,754.54 : 82,139.90 = 17,306.12 : x
  2. Step 2: Convert to fraction form
    54,754.54/82,139.90 = 17,306.12/x
  3. Step 3: Cross multiply
    54,754.54x = 82,139.90 × 17,306.12
  4. Step 4: Simplify right side
    54,754.54x = 1,421,522,966.19
  5. Step 5: Solve for x
    x = 1,421,522,966.19/54,754.54
  6. Step 6: Final answer
    x = 25,961.74

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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.