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Finding the Fourth Proportional to 7.97, 10.97 and 6.93

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Solution

The fourth proportional to 7.97, 10.97 and 6.93 is: 9.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.97 : 10.97 = 6.93 : x
  2. Step 2: Convert to fraction form
    7.97/10.97 = 6.93/x
  3. Step 3: Cross multiply
    7.97x = 10.97 × 6.93
  4. Step 4: Simplify right side
    7.97x = 75.97
  5. Step 5: Solve for x
    x = 75.97/7.97
  6. Step 6: Final answer
    x = 9.54

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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.