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Finding the Fourth Proportional to 27,174.08, 40,764.92 and 25,680.08

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Solution

The fourth proportional to 27,174.08, 40,764.92 and 25,680.08 is: 38,523.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,174.08 : 40,764.92 = 25,680.08 : x
  2. Step 2: Convert to fraction form
    27,174.08/40,764.92 = 25,680.08/x
  3. Step 3: Cross multiply
    27,174.08x = 40,764.92 × 25,680.08
  4. Step 4: Simplify right side
    27,174.08x = 1,046,846,406.79
  5. Step 5: Solve for x
    x = 1,046,846,406.79/27,174.08
  6. Step 6: Final answer
    x = 38,523.71

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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.