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Finding the Fourth Proportional to 3,672.04, 5,067.26 and 1,993.38

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Solution

The fourth proportional to 3,672.04, 5,067.26 and 1,993.38 is: 2,750.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.04 : 5,067.26 = 1,993.38 : x
  2. Step 2: Convert to fraction form
    3,672.04/5,067.26 = 1,993.38/x
  3. Step 3: Cross multiply
    3,672.04x = 5,067.26 × 1,993.38
  4. Step 4: Simplify right side
    3,672.04x = 10,100,979.72
  5. Step 5: Solve for x
    x = 10,100,979.72/3,672.04
  6. Step 6: Final answer
    x = 2,750.78

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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.