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Finding the Fourth Proportional to 17.04, 23.53 and 12.22

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Solution

The fourth proportional to 17.04, 23.53 and 12.22 is: 16.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.04 : 23.53 = 12.22 : x
  2. Step 2: Convert to fraction form
    17.04/23.53 = 12.22/x
  3. Step 3: Cross multiply
    17.04x = 23.53 × 12.22
  4. Step 4: Simplify right side
    17.04x = 287.54
  5. Step 5: Solve for x
    x = 287.54/17.04
  6. Step 6: Final answer
    x = 16.87

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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.