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Finding the Fourth Proportional to 55,294.80, 82,917.24 and 15,842.88

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Solution

The fourth proportional to 55,294.80, 82,917.24 and 15,842.88 is: 23,757.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,294.80 : 82,917.24 = 15,842.88 : x
  2. Step 2: Convert to fraction form
    55,294.80/82,917.24 = 15,842.88/x
  3. Step 3: Cross multiply
    55,294.80x = 82,917.24 × 15,842.88
  4. Step 4: Simplify right side
    55,294.80x = 1,313,647,883.25
  5. Step 5: Solve for x
    x = 1,313,647,883.25/55,294.80
  6. Step 6: Final answer
    x = 23,757.17

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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.