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Finding the Fourth Proportional to 6,908.87, 10,361.79 and 2,748.11

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Solution

The fourth proportional to 6,908.87, 10,361.79 and 2,748.11 is: 4,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.87 : 10,361.79 = 2,748.11 : x
  2. Step 2: Convert to fraction form
    6,908.87/10,361.79 = 2,748.11/x
  3. Step 3: Cross multiply
    6,908.87x = 10,361.79 × 2,748.11
  4. Step 4: Simplify right side
    6,908.87x = 28,475,286.91
  5. Step 5: Solve for x
    x = 28,475,286.91/6,908.87
  6. Step 6: Final answer
    x = 4,121.55

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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.