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Finding the Fourth Proportional to 2,679.44, 4,013.24 and 2,092.96

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Solution

The fourth proportional to 2,679.44, 4,013.24 and 2,092.96 is: 3,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.44 : 4,013.24 = 2,092.96 : x
  2. Step 2: Convert to fraction form
    2,679.44/4,013.24 = 2,092.96/x
  3. Step 3: Cross multiply
    2,679.44x = 4,013.24 × 2,092.96
  4. Step 4: Simplify right side
    2,679.44x = 8,399,550.79
  5. Step 5: Solve for x
    x = 8,399,550.79/2,679.44
  6. Step 6: Final answer
    x = 3,134.82

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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.