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Finding the Fourth Proportional to 33.95, 50.90 and 15.93

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Solution

The fourth proportional to 33.95, 50.90 and 15.93 is: 23.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.95 : 50.90 = 15.93 : x
  2. Step 2: Convert to fraction form
    33.95/50.90 = 15.93/x
  3. Step 3: Cross multiply
    33.95x = 50.90 × 15.93
  4. Step 4: Simplify right side
    33.95x = 810.58
  5. Step 5: Solve for x
    x = 810.58/33.95
  6. Step 6: Final answer
    x = 23.88

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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.