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Finding the Fourth Proportional to 33.76, 46.50 and 29.86

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Solution

The fourth proportional to 33.76, 46.50 and 29.86 is: 41.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.76 : 46.50 = 29.86 : x
  2. Step 2: Convert to fraction form
    33.76/46.50 = 29.86/x
  3. Step 3: Cross multiply
    33.76x = 46.50 × 29.86
  4. Step 4: Simplify right side
    33.76x = 1,388.49
  5. Step 5: Solve for x
    x = 1,388.49/33.76
  6. Step 6: Final answer
    x = 41.13

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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.