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Finding the Fourth Proportional to 22.06, 33.22 and 16.75

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Solution

The fourth proportional to 22.06, 33.22 and 16.75 is: 25.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.06 : 33.22 = 16.75 : x
  2. Step 2: Convert to fraction form
    22.06/33.22 = 16.75/x
  3. Step 3: Cross multiply
    22.06x = 33.22 × 16.75
  4. Step 4: Simplify right side
    22.06x = 556.44
  5. Step 5: Solve for x
    x = 556.44/22.06
  6. Step 6: Final answer
    x = 25.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.