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Finding the Fourth Proportional to 23.34, 34.97 and 16.91

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Solution

The fourth proportional to 23.34, 34.97 and 16.91 is: 25.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.34 : 34.97 = 16.91 : x
  2. Step 2: Convert to fraction form
    23.34/34.97 = 16.91/x
  3. Step 3: Cross multiply
    23.34x = 34.97 × 16.91
  4. Step 4: Simplify right side
    23.34x = 591.26
  5. Step 5: Solve for x
    x = 591.26/23.34
  6. Step 6: Final answer
    x = 25.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.