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Finding the Fourth Proportional to 6,880.43, 9,494.81 and 3,896.55

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Solution

The fourth proportional to 6,880.43, 9,494.81 and 3,896.55 is: 5,377.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.43 : 9,494.81 = 3,896.55 : x
  2. Step 2: Convert to fraction form
    6,880.43/9,494.81 = 3,896.55/x
  3. Step 3: Cross multiply
    6,880.43x = 9,494.81 × 3,896.55
  4. Step 4: Simplify right side
    6,880.43x = 36,996,982.42
  5. Step 5: Solve for x
    x = 36,996,982.42/6,880.43
  6. Step 6: Final answer
    x = 5,377.14

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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.