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Finding the Fourth Proportional to 17.36, 23.94 and 12.17

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Solution

The fourth proportional to 17.36, 23.94 and 12.17 is: 16.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.36 : 23.94 = 12.17 : x
  2. Step 2: Convert to fraction form
    17.36/23.94 = 12.17/x
  3. Step 3: Cross multiply
    17.36x = 23.94 × 12.17
  4. Step 4: Simplify right side
    17.36x = 291.23
  5. Step 5: Solve for x
    x = 291.23/17.36
  6. Step 6: Final answer
    x = 16.78

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