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Finding the Fourth Proportional to 33.71, 50.57 and 9.67

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Solution

The fourth proportional to 33.71, 50.57 and 9.67 is: 14.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.71 : 50.57 = 9.67 : x
  2. Step 2: Convert to fraction form
    33.71/50.57 = 9.67/x
  3. Step 3: Cross multiply
    33.71x = 50.57 × 9.67
  4. Step 4: Simplify right side
    33.71x = 489.01
  5. Step 5: Solve for x
    x = 489.01/33.71
  6. Step 6: Final answer
    x = 14.51

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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.