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Finding the Fourth Proportional to 14.97, 22.37 and 11.15

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Solution

The fourth proportional to 14.97, 22.37 and 11.15 is: 16.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.97 : 22.37 = 11.15 : x
  2. Step 2: Convert to fraction form
    14.97/22.37 = 11.15/x
  3. Step 3: Cross multiply
    14.97x = 22.37 × 11.15
  4. Step 4: Simplify right side
    14.97x = 249.34
  5. Step 5: Solve for x
    x = 249.34/14.97
  6. Step 6: Final answer
    x = 16.66

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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.