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Finding the Fourth Proportional to 2,723.52, 4,085.48 and 849.17

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Solution

The fourth proportional to 2,723.52, 4,085.48 and 849.17 is: 1,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.52 : 4,085.48 = 849.17 : x
  2. Step 2: Convert to fraction form
    2,723.52/4,085.48 = 849.17/x
  3. Step 3: Cross multiply
    2,723.52x = 4,085.48 × 849.17
  4. Step 4: Simplify right side
    2,723.52x = 3,469,267.05
  5. Step 5: Solve for x
    x = 3,469,267.05/2,723.52
  6. Step 6: Final answer
    x = 1,273.82

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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.