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Finding the Fourth Proportional to 11.46, 17.17 and 10.32

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Solution

The fourth proportional to 11.46, 17.17 and 10.32 is: 15.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.46 : 17.17 = 10.32 : x
  2. Step 2: Convert to fraction form
    11.46/17.17 = 10.32/x
  3. Step 3: Cross multiply
    11.46x = 17.17 × 10.32
  4. Step 4: Simplify right side
    11.46x = 177.14
  5. Step 5: Solve for x
    x = 177.14/11.46
  6. Step 6: Final answer
    x = 15.46

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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.