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Finding the Fourth Proportional to 54,775.38, 82,163.07 and 17,839.38

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Solution

The fourth proportional to 54,775.38, 82,163.07 and 17,839.38 is: 26,759.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,775.38 : 82,163.07 = 17,839.38 : x
  2. Step 2: Convert to fraction form
    54,775.38/82,163.07 = 17,839.38/x
  3. Step 3: Cross multiply
    54,775.38x = 82,163.07 × 17,839.38
  4. Step 4: Simplify right side
    54,775.38x = 1,465,738,227.70
  5. Step 5: Solve for x
    x = 1,465,738,227.70/54,775.38
  6. Step 6: Final answer
    x = 26,759.07

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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.