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Finding the Fourth Proportional to 17.96, 26.93 and 8.95

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Solution

The fourth proportional to 17.96, 26.93 and 8.95 is: 13.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.96 : 26.93 = 8.95 : x
  2. Step 2: Convert to fraction form
    17.96/26.93 = 8.95/x
  3. Step 3: Cross multiply
    17.96x = 26.93 × 8.95
  4. Step 4: Simplify right side
    17.96x = 241.02
  5. Step 5: Solve for x
    x = 241.02/17.96
  6. Step 6: Final answer
    x = 13.42

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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.