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Finding the Fourth Proportional to 33.99, 50.95 and 16.86

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Solution

The fourth proportional to 33.99, 50.95 and 16.86 is: 25.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.99 : 50.95 = 16.86 : x
  2. Step 2: Convert to fraction form
    33.99/50.95 = 16.86/x
  3. Step 3: Cross multiply
    33.99x = 50.95 × 16.86
  4. Step 4: Simplify right side
    33.99x = 859.02
  5. Step 5: Solve for x
    x = 859.02/33.99
  6. Step 6: Final answer
    x = 25.27

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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.