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Finding the Fourth Proportional to 33.94, 50.94 and 27.88

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Solution

The fourth proportional to 33.94, 50.94 and 27.88 is: 41.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.94 : 50.94 = 27.88 : x
  2. Step 2: Convert to fraction form
    33.94/50.94 = 27.88/x
  3. Step 3: Cross multiply
    33.94x = 50.94 × 27.88
  4. Step 4: Simplify right side
    33.94x = 1,420.21
  5. Step 5: Solve for x
    x = 1,420.21/33.94
  6. Step 6: Final answer
    x = 41.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.