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Finding the Fourth Proportional to 41,842.56, 57,745.56 and 22,979.88

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Solution

The fourth proportional to 41,842.56, 57,745.56 and 22,979.88 is: 31,713.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,842.56 : 57,745.56 = 22,979.88 : x
  2. Step 2: Convert to fraction form
    41,842.56/57,745.56 = 22,979.88/x
  3. Step 3: Cross multiply
    41,842.56x = 57,745.56 × 22,979.88
  4. Step 4: Simplify right side
    41,842.56x = 1,326,986,039.33
  5. Step 5: Solve for x
    x = 1,326,986,039.33/41,842.56
  6. Step 6: Final answer
    x = 31,713.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.