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Finding the Fourth Proportional to 17.32, 23.73 and 16.11

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Solution

The fourth proportional to 17.32, 23.73 and 16.11 is: 22.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.32 : 23.73 = 16.11 : x
  2. Step 2: Convert to fraction form
    17.32/23.73 = 16.11/x
  3. Step 3: Cross multiply
    17.32x = 23.73 × 16.11
  4. Step 4: Simplify right side
    17.32x = 382.29
  5. Step 5: Solve for x
    x = 382.29/17.32
  6. Step 6: Final answer
    x = 22.07

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.