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Finding the Fourth Proportional to 54,775.88, 82,163.82 and 17,839.88

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Solution

The fourth proportional to 54,775.88, 82,163.82 and 17,839.88 is: 26,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,775.88 : 82,163.82 = 17,839.88 : x
  2. Step 2: Convert to fraction form
    54,775.88/82,163.82 = 17,839.88/x
  3. Step 3: Cross multiply
    54,775.88x = 82,163.82 × 17,839.88
  4. Step 4: Simplify right side
    54,775.88x = 1,465,792,278.32
  5. Step 5: Solve for x
    x = 1,465,792,278.32/54,775.88
  6. Step 6: Final answer
    x = 26,759.81

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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.