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Finding the Fourth Proportional to 3,982.34, 5,974.44 and 1,349.96

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Solution

The fourth proportional to 3,982.34, 5,974.44 and 1,349.96 is: 2,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.34 : 5,974.44 = 1,349.96 : x
  2. Step 2: Convert to fraction form
    3,982.34/5,974.44 = 1,349.96/x
  3. Step 3: Cross multiply
    3,982.34x = 5,974.44 × 1,349.96
  4. Step 4: Simplify right side
    3,982.34x = 8,065,255.02
  5. Step 5: Solve for x
    x = 8,065,255.02/3,982.34
  6. Step 6: Final answer
    x = 2,025.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.