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Finding the Fourth Proportional to 7.44, 10.25 and 5.82

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Solution

The fourth proportional to 7.44, 10.25 and 5.82 is: 8.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.44 : 10.25 = 5.82 : x
  2. Step 2: Convert to fraction form
    7.44/10.25 = 5.82/x
  3. Step 3: Cross multiply
    7.44x = 10.25 × 5.82
  4. Step 4: Simplify right side
    7.44x = 59.66
  5. Step 5: Solve for x
    x = 59.66/7.44
  6. Step 6: Final answer
    x = 8.02

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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.