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Finding the Fourth Proportional to 17.35, 25.97 and 10.58

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Solution

The fourth proportional to 17.35, 25.97 and 10.58 is: 15.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.35 : 25.97 = 10.58 : x
  2. Step 2: Convert to fraction form
    17.35/25.97 = 10.58/x
  3. Step 3: Cross multiply
    17.35x = 25.97 × 10.58
  4. Step 4: Simplify right side
    17.35x = 274.58
  5. Step 5: Solve for x
    x = 274.58/17.35
  6. Step 6: Final answer
    x = 15.83

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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.