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Finding the Fourth Proportional to 11.04, 16.56 and 9.97

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Solution

The fourth proportional to 11.04, 16.56 and 9.97 is: 14.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.04 : 16.56 = 9.97 : x
  2. Step 2: Convert to fraction form
    11.04/16.56 = 9.97/x
  3. Step 3: Cross multiply
    11.04x = 16.56 × 9.97
  4. Step 4: Simplify right side
    11.04x = 165.10
  5. Step 5: Solve for x
    x = 165.10/11.04
  6. Step 6: Final answer
    x = 14.96

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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.