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Finding the Fourth Proportional to 5,343.92, 7,375.92 and 3,249.44

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Solution

The fourth proportional to 5,343.92, 7,375.92 and 3,249.44 is: 4,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.92 : 7,375.92 = 3,249.44 : x
  2. Step 2: Convert to fraction form
    5,343.92/7,375.92 = 3,249.44/x
  3. Step 3: Cross multiply
    5,343.92x = 7,375.92 × 3,249.44
  4. Step 4: Simplify right side
    5,343.92x = 23,967,609.48
  5. Step 5: Solve for x
    x = 23,967,609.48/5,343.92
  6. Step 6: Final answer
    x = 4,485.02

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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.