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Finding the Fourth Proportional to 33.43, 50.15 and 9.39

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Solution

The fourth proportional to 33.43, 50.15 and 9.39 is: 14.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.43 : 50.15 = 9.39 : x
  2. Step 2: Convert to fraction form
    33.43/50.15 = 9.39/x
  3. Step 3: Cross multiply
    33.43x = 50.15 × 9.39
  4. Step 4: Simplify right side
    33.43x = 470.75
  5. Step 5: Solve for x
    x = 470.75/33.43
  6. Step 6: Final answer
    x = 14.08

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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.