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Finding the Fourth Proportional to 33.22, 49.84 and 15.18

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Solution

The fourth proportional to 33.22, 49.84 and 15.18 is: 22.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.22 : 49.84 = 15.18 : x
  2. Step 2: Convert to fraction form
    33.22/49.84 = 15.18/x
  3. Step 3: Cross multiply
    33.22x = 49.84 × 15.18
  4. Step 4: Simplify right side
    33.22x = 756.57
  5. Step 5: Solve for x
    x = 756.57/33.22
  6. Step 6: Final answer
    x = 22.77

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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.