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Finding the Fourth Proportional to 22.26, 33.39 and 10.24

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Solution

The fourth proportional to 22.26, 33.39 and 10.24 is: 15.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.26 : 33.39 = 10.24 : x
  2. Step 2: Convert to fraction form
    22.26/33.39 = 10.24/x
  3. Step 3: Cross multiply
    22.26x = 33.39 × 10.24
  4. Step 4: Simplify right side
    22.26x = 341.91
  5. Step 5: Solve for x
    x = 341.91/22.26
  6. Step 6: Final answer
    x = 15.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.