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Finding the Fourth Proportional to 6,864, 10,286.16 and 3,737.22

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Solution

The fourth proportional to 6,864, 10,286.16 and 3,737.22 is: 5,600.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864 : 10,286.16 = 3,737.22 : x
  2. Step 2: Convert to fraction form
    6,864/10,286.16 = 3,737.22/x
  3. Step 3: Cross multiply
    6,864x = 10,286.16 × 3,737.22
  4. Step 4: Simplify right side
    6,864x = 38,441,642.88
  5. Step 5: Solve for x
    x = 38,441,642.88/6,864
  6. Step 6: Final answer
    x = 5,600.47

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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.