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Finding the Fourth Proportional to 34.97, 52.46 and 17.85

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Solution

The fourth proportional to 34.97, 52.46 and 17.85 is: 26.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.97 : 52.46 = 17.85 : x
  2. Step 2: Convert to fraction form
    34.97/52.46 = 17.85/x
  3. Step 3: Cross multiply
    34.97x = 52.46 × 17.85
  4. Step 4: Simplify right side
    34.97x = 936.17
  5. Step 5: Solve for x
    x = 936.17/34.97
  6. Step 6: Final answer
    x = 26.77

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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.