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Finding the Fourth Proportional to 7.93, 10.96 and 6.13

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Solution

The fourth proportional to 7.93, 10.96 and 6.13 is: 8.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.93 : 10.96 = 6.13 : x
  2. Step 2: Convert to fraction form
    7.93/10.96 = 6.13/x
  3. Step 3: Cross multiply
    7.93x = 10.96 × 6.13
  4. Step 4: Simplify right side
    7.93x = 67.18
  5. Step 5: Solve for x
    x = 67.18/7.93
  6. Step 6: Final answer
    x = 8.47

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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.