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Finding the Fourth Proportional to 3,672.28, 5,067.73 and 1,993.67

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Solution

The fourth proportional to 3,672.28, 5,067.73 and 1,993.67 is: 2,751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.28 : 5,067.73 = 1,993.67 : x
  2. Step 2: Convert to fraction form
    3,672.28/5,067.73 = 1,993.67/x
  3. Step 3: Cross multiply
    3,672.28x = 5,067.73 × 1,993.67
  4. Step 4: Simplify right side
    3,672.28x = 10,103,375.71
  5. Step 5: Solve for x
    x = 10,103,375.71/3,672.28
  6. Step 6: Final answer
    x = 2,751.26

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1.5x scale

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.