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Finding the Fourth Proportional to 33.88, 50.81 and 14.63

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Solution

The fourth proportional to 33.88, 50.81 and 14.63 is: 21.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.88 : 50.81 = 14.63 : x
  2. Step 2: Convert to fraction form
    33.88/50.81 = 14.63/x
  3. Step 3: Cross multiply
    33.88x = 50.81 × 14.63
  4. Step 4: Simplify right side
    33.88x = 743.51
  5. Step 5: Solve for x
    x = 743.51/33.88
  6. Step 6: Final answer
    x = 21.95

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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.