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Finding the Fourth Proportional to 17.35, 23.96 and 13.94

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Solution

The fourth proportional to 17.35, 23.96 and 13.94 is: 19.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.35 : 23.96 = 13.94 : x
  2. Step 2: Convert to fraction form
    17.35/23.96 = 13.94/x
  3. Step 3: Cross multiply
    17.35x = 23.96 × 13.94
  4. Step 4: Simplify right side
    17.35x = 333.90
  5. Step 5: Solve for x
    x = 333.90/17.35
  6. Step 6: Final answer
    x = 19.25

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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.