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Finding the Fourth Proportional to 11.32, 16.92 and 11.04

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Solution

The fourth proportional to 11.32, 16.92 and 11.04 is: 16.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.32 : 16.92 = 11.04 : x
  2. Step 2: Convert to fraction form
    11.32/16.92 = 11.04/x
  3. Step 3: Cross multiply
    11.32x = 16.92 × 11.04
  4. Step 4: Simplify right side
    11.32x = 186.80
  5. Step 5: Solve for x
    x = 186.80/11.32
  6. Step 6: Final answer
    x = 16.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.