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Finding the Fourth Proportional to 33.09, 49.69 and 22.27

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Solution

The fourth proportional to 33.09, 49.69 and 22.27 is: 33.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.09 : 49.69 = 22.27 : x
  2. Step 2: Convert to fraction form
    33.09/49.69 = 22.27/x
  3. Step 3: Cross multiply
    33.09x = 49.69 × 22.27
  4. Step 4: Simplify right side
    33.09x = 1,106.72
  5. Step 5: Solve for x
    x = 1,106.72/33.09
  6. Step 6: Final answer
    x = 33.44

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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.