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Finding the Fourth Proportional to 33.60, 46.33 and 22.69

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Solution

The fourth proportional to 33.60, 46.33 and 22.69 is: 31.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.60 : 46.33 = 22.69 : x
  2. Step 2: Convert to fraction form
    33.60/46.33 = 22.69/x
  3. Step 3: Cross multiply
    33.60x = 46.33 × 22.69
  4. Step 4: Simplify right side
    33.60x = 1,051.23
  5. Step 5: Solve for x
    x = 1,051.23/33.60
  6. Step 6: Final answer
    x = 31.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.