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Finding the Fourth Proportional to 7.93, 11.88 and 5.92

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Solution

The fourth proportional to 7.93, 11.88 and 5.92 is: 8.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.93 : 11.88 = 5.92 : x
  2. Step 2: Convert to fraction form
    7.93/11.88 = 5.92/x
  3. Step 3: Cross multiply
    7.93x = 11.88 × 5.92
  4. Step 4: Simplify right side
    7.93x = 70.33
  5. Step 5: Solve for x
    x = 70.33/7.93
  6. Step 6: Final answer
    x = 8.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.