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Finding the Fourth Proportional to 7,247.61, 10,863.02 and 3,343.89

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Solution

The fourth proportional to 7,247.61, 10,863.02 and 3,343.89 is: 5,011.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.61 : 10,863.02 = 3,343.89 : x
  2. Step 2: Convert to fraction form
    7,247.61/10,863.02 = 3,343.89/x
  3. Step 3: Cross multiply
    7,247.61x = 10,863.02 × 3,343.89
  4. Step 4: Simplify right side
    7,247.61x = 36,324,727.23
  5. Step 5: Solve for x
    x = 36,324,727.23/7,247.61
  6. Step 6: Final answer
    x = 5,011.96

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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.