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Finding the Fourth Proportional to 11,369.67, 17,052.22 and 3,974.87

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Solution

The fourth proportional to 11,369.67, 17,052.22 and 3,974.87 is: 5,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.67 : 17,052.22 = 3,974.87 : x
  2. Step 2: Convert to fraction form
    11,369.67/17,052.22 = 3,974.87/x
  3. Step 3: Cross multiply
    11,369.67x = 17,052.22 × 3,974.87
  4. Step 4: Simplify right side
    11,369.67x = 67,780,405.31
  5. Step 5: Solve for x
    x = 67,780,405.31/11,369.67
  6. Step 6: Final answer
    x = 5,961.51

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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.