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Finding the Fourth Proportional to 33.91, 46.79 and 23.55

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Solution

The fourth proportional to 33.91, 46.79 and 23.55 is: 32.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.91 : 46.79 = 23.55 : x
  2. Step 2: Convert to fraction form
    33.91/46.79 = 23.55/x
  3. Step 3: Cross multiply
    33.91x = 46.79 × 23.55
  4. Step 4: Simplify right side
    33.91x = 1,101.79
  5. Step 5: Solve for x
    x = 1,101.79/33.91
  6. Step 6: Final answer
    x = 32.49

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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.