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Finding the Fourth Proportional to 33.92, 46.78 and 23.54

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Solution

The fourth proportional to 33.92, 46.78 and 23.54 is: 32.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.92 : 46.78 = 23.54 : x
  2. Step 2: Convert to fraction form
    33.92/46.78 = 23.54/x
  3. Step 3: Cross multiply
    33.92x = 46.78 × 23.54
  4. Step 4: Simplify right side
    33.92x = 1,101.08
  5. Step 5: Solve for x
    x = 1,101.08/33.92
  6. Step 6: Final answer
    x = 32.46

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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.