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Finding the Fourth Proportional to 33.91, 46.60 and 29.59

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Solution

The fourth proportional to 33.91, 46.60 and 29.59 is: 40.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.91 : 46.60 = 29.59 : x
  2. Step 2: Convert to fraction form
    33.91/46.60 = 29.59/x
  3. Step 3: Cross multiply
    33.91x = 46.60 × 29.59
  4. Step 4: Simplify right side
    33.91x = 1,378.89
  5. Step 5: Solve for x
    x = 1,378.89/33.91
  6. Step 6: Final answer
    x = 40.66

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.