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Finding the Fourth Proportional to 11.44, 16.98 and 11.34

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Solution

The fourth proportional to 11.44, 16.98 and 11.34 is: 16.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.44 : 16.98 = 11.34 : x
  2. Step 2: Convert to fraction form
    11.44/16.98 = 11.34/x
  3. Step 3: Cross multiply
    11.44x = 16.98 × 11.34
  4. Step 4: Simplify right side
    11.44x = 192.55
  5. Step 5: Solve for x
    x = 192.55/11.44
  6. Step 6: Final answer
    x = 16.83

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.