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Finding the Fourth Proportional to 6,687.54, 9,227.87 and 3,703.56

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Solution

The fourth proportional to 6,687.54, 9,227.87 and 3,703.56 is: 5,110.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.54 : 9,227.87 = 3,703.56 : x
  2. Step 2: Convert to fraction form
    6,687.54/9,227.87 = 3,703.56/x
  3. Step 3: Cross multiply
    6,687.54x = 9,227.87 × 3,703.56
  4. Step 4: Simplify right side
    6,687.54x = 34,175,951.70
  5. Step 5: Solve for x
    x = 34,175,951.70/6,687.54
  6. Step 6: Final answer
    x = 5,110.39

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1.5x scale

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.