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Finding the Fourth Proportional to 17.97, 24.79 and 11.06

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Solution

The fourth proportional to 17.97, 24.79 and 11.06 is: 15.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.97 : 24.79 = 11.06 : x
  2. Step 2: Convert to fraction form
    17.97/24.79 = 11.06/x
  3. Step 3: Cross multiply
    17.97x = 24.79 × 11.06
  4. Step 4: Simplify right side
    17.97x = 274.00
  5. Step 5: Solve for x
    x = 274.00/17.97
  6. Step 6: Final answer
    x = 15.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.