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Finding the Fourth Proportional to 17.10, 23.58 and 10.96

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Solution

The fourth proportional to 17.10, 23.58 and 10.96 is: 15.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.10 : 23.58 = 10.96 : x
  2. Step 2: Convert to fraction form
    17.10/23.58 = 10.96/x
  3. Step 3: Cross multiply
    17.10x = 23.58 × 10.96
  4. Step 4: Simplify right side
    17.10x = 258.41
  5. Step 5: Solve for x
    x = 258.41/17.10
  6. Step 6: Final answer
    x = 15.11

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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.