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Finding the Fourth Proportional to 7.49, 10.34 and 7.44

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Solution

The fourth proportional to 7.49, 10.34 and 7.44 is: 10.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.49 : 10.34 = 7.44 : x
  2. Step 2: Convert to fraction form
    7.49/10.34 = 7.44/x
  3. Step 3: Cross multiply
    7.49x = 10.34 × 7.44
  4. Step 4: Simplify right side
    7.49x = 76.98
  5. Step 5: Solve for x
    x = 76.98/7.49
  6. Step 6: Final answer
    x = 10.27

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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.