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Finding the Fourth Proportional to 11.46, 17.12 and 10.76

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Solution

The fourth proportional to 11.46, 17.12 and 10.76 is: 16.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.46 : 17.12 = 10.76 : x
  2. Step 2: Convert to fraction form
    11.46/17.12 = 10.76/x
  3. Step 3: Cross multiply
    11.46x = 17.12 × 10.76
  4. Step 4: Simplify right side
    11.46x = 184.07
  5. Step 5: Solve for x
    x = 184.07/11.46
  6. Step 6: Final answer
    x = 16.06

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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.