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Finding the Fourth Proportional to 33.58, 50.32 and 22.70

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Solution

The fourth proportional to 33.58, 50.32 and 22.70 is: 34.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.58 : 50.32 = 22.70 : x
  2. Step 2: Convert to fraction form
    33.58/50.32 = 22.70/x
  3. Step 3: Cross multiply
    33.58x = 50.32 × 22.70
  4. Step 4: Simplify right side
    33.58x = 1,142.37
  5. Step 5: Solve for x
    x = 1,142.37/33.58
  6. Step 6: Final answer
    x = 34.02

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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.