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Finding the Fourth Proportional to 17.16, 23.63 and 14.96

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Solution

The fourth proportional to 17.16, 23.63 and 14.96 is: 20.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.16 : 23.63 = 14.96 : x
  2. Step 2: Convert to fraction form
    17.16/23.63 = 14.96/x
  3. Step 3: Cross multiply
    17.16x = 23.63 × 14.96
  4. Step 4: Simplify right side
    17.16x = 353.50
  5. Step 5: Solve for x
    x = 353.50/17.16
  6. Step 6: Final answer
    x = 20.60

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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.