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Finding the Fourth Proportional to 11.93, 17.92 and 8.88

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Solution

The fourth proportional to 11.93, 17.92 and 8.88 is: 13.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.93 : 17.92 = 8.88 : x
  2. Step 2: Convert to fraction form
    11.93/17.92 = 8.88/x
  3. Step 3: Cross multiply
    11.93x = 17.92 × 8.88
  4. Step 4: Simplify right side
    11.93x = 159.15
  5. Step 5: Solve for x
    x = 159.15/11.93
  6. Step 6: Final answer
    x = 13.34

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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.