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Finding the Fourth Proportional to 7.96, 11.03 and 7.44

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Solution

The fourth proportional to 7.96, 11.03 and 7.44 is: 10.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.96 : 11.03 = 7.44 : x
  2. Step 2: Convert to fraction form
    7.96/11.03 = 7.44/x
  3. Step 3: Cross multiply
    7.96x = 11.03 × 7.44
  4. Step 4: Simplify right side
    7.96x = 82.06
  5. Step 5: Solve for x
    x = 82.06/7.96
  6. Step 6: Final answer
    x = 10.31

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.