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Finding the Fourth Proportional to 3,660.92, 5,052.13 and 2,067.89

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Solution

The fourth proportional to 3,660.92, 5,052.13 and 2,067.89 is: 2,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.92 : 5,052.13 = 2,067.89 : x
  2. Step 2: Convert to fraction form
    3,660.92/5,052.13 = 2,067.89/x
  3. Step 3: Cross multiply
    3,660.92x = 5,052.13 × 2,067.89
  4. Step 4: Simplify right side
    3,660.92x = 10,447,249.11
  5. Step 5: Solve for x
    x = 10,447,249.11/3,660.92
  6. Step 6: Final answer
    x = 2,853.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.