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Finding the Fourth Proportional to 3.96, 5.44 and 3.44

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Solution

The fourth proportional to 3.96, 5.44 and 3.44 is: 4.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.96 : 5.44 = 3.44 : x
  2. Step 2: Convert to fraction form
    3.96/5.44 = 3.44/x
  3. Step 3: Cross multiply
    3.96x = 5.44 × 3.44
  4. Step 4: Simplify right side
    3.96x = 18.71
  5. Step 5: Solve for x
    x = 18.71/3.96
  6. Step 6: Final answer
    x = 4.73

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.