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Finding the Fourth Proportional to 11.02, 16.62 and 9.26

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Solution

The fourth proportional to 11.02, 16.62 and 9.26 is: 13.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.02 : 16.62 = 9.26 : x
  2. Step 2: Convert to fraction form
    11.02/16.62 = 9.26/x
  3. Step 3: Cross multiply
    11.02x = 16.62 × 9.26
  4. Step 4: Simplify right side
    11.02x = 153.85
  5. Step 5: Solve for x
    x = 153.85/11.02
  6. Step 6: Final answer
    x = 13.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.