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Finding the Fourth Proportional to 6.67, 9.22 and 5.95

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Solution

The fourth proportional to 6.67, 9.22 and 5.95 is: 8.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.67 : 9.22 = 5.95 : x
  2. Step 2: Convert to fraction form
    6.67/9.22 = 5.95/x
  3. Step 3: Cross multiply
    6.67x = 9.22 × 5.95
  4. Step 4: Simplify right side
    6.67x = 54.86
  5. Step 5: Solve for x
    x = 54.86/6.67
  6. Step 6: Final answer
    x = 8.22

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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.