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Finding the Fourth Proportional to 50.14, 69.14 and 43.49

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Solution

The fourth proportional to 50.14, 69.14 and 43.49 is: 59.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.14 : 69.14 = 43.49 : x
  2. Step 2: Convert to fraction form
    50.14/69.14 = 43.49/x
  3. Step 3: Cross multiply
    50.14x = 69.14 × 43.49
  4. Step 4: Simplify right side
    50.14x = 3,006.55
  5. Step 5: Solve for x
    x = 3,006.55/50.14
  6. Step 6: Final answer
    x = 59.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.