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Finding the Fourth Proportional to 33.94, 50.92 and 15.66

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Solution

The fourth proportional to 33.94, 50.92 and 15.66 is: 23.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.94 : 50.92 = 15.66 : x
  2. Step 2: Convert to fraction form
    33.94/50.92 = 15.66/x
  3. Step 3: Cross multiply
    33.94x = 50.92 × 15.66
  4. Step 4: Simplify right side
    33.94x = 797.37
  5. Step 5: Solve for x
    x = 797.37/33.94
  6. Step 6: Final answer
    x = 23.49

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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.