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Finding the Fourth Proportional to 8,496.62, 11,725.92 and 5,139.57

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Solution

The fourth proportional to 8,496.62, 11,725.92 and 5,139.57 is: 7,092.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,496.62 : 11,725.92 = 5,139.57 : x
  2. Step 2: Convert to fraction form
    8,496.62/11,725.92 = 5,139.57/x
  3. Step 3: Cross multiply
    8,496.62x = 11,725.92 × 5,139.57
  4. Step 4: Simplify right side
    8,496.62x = 60,266,186.65
  5. Step 5: Solve for x
    x = 60,266,186.65/8,496.62
  6. Step 6: Final answer
    x = 7,092.96

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