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Finding the Fourth Proportional to 22.24, 33.52 and 22.12

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Solution

The fourth proportional to 22.24, 33.52 and 22.12 is: 33.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.24 : 33.52 = 22.12 : x
  2. Step 2: Convert to fraction form
    22.24/33.52 = 22.12/x
  3. Step 3: Cross multiply
    22.24x = 33.52 × 22.12
  4. Step 4: Simplify right side
    22.24x = 741.46
  5. Step 5: Solve for x
    x = 741.46/22.24
  6. Step 6: Final answer
    x = 33.34

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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.