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Finding the Fourth Proportional to 5,489.85, 7,576.03 and 3,067.22

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Solution

The fourth proportional to 5,489.85, 7,576.03 and 3,067.22 is: 4,232.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.85 : 7,576.03 = 3,067.22 : x
  2. Step 2: Convert to fraction form
    5,489.85/7,576.03 = 3,067.22/x
  3. Step 3: Cross multiply
    5,489.85x = 7,576.03 × 3,067.22
  4. Step 4: Simplify right side
    5,489.85x = 23,237,330.90
  5. Step 5: Solve for x
    x = 23,237,330.90/5,489.85
  6. Step 6: Final answer
    x = 4,232.78

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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.