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Finding the Fourth Proportional to 11.44, 17.02 and 11.32

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Solution

The fourth proportional to 11.44, 17.02 and 11.32 is: 16.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.44 : 17.02 = 11.32 : x
  2. Step 2: Convert to fraction form
    11.44/17.02 = 11.32/x
  3. Step 3: Cross multiply
    11.44x = 17.02 × 11.32
  4. Step 4: Simplify right side
    11.44x = 192.67
  5. Step 5: Solve for x
    x = 192.67/11.44
  6. Step 6: Final answer
    x = 16.84

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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.