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Finding the Fourth Proportional to 6,882.80, 9,498.16 and 3,738.96

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Solution

The fourth proportional to 6,882.80, 9,498.16 and 3,738.96 is: 5,159.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,882.80 : 9,498.16 = 3,738.96 : x
  2. Step 2: Convert to fraction form
    6,882.80/9,498.16 = 3,738.96/x
  3. Step 3: Cross multiply
    6,882.80x = 9,498.16 × 3,738.96
  4. Step 4: Simplify right side
    6,882.80x = 35,513,240.31
  5. Step 5: Solve for x
    x = 35,513,240.31/6,882.80
  6. Step 6: Final answer
    x = 5,159.71

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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.