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Finding the Fourth Proportional to 50.69, 69.89 and 44.93

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Solution

The fourth proportional to 50.69, 69.89 and 44.93 is: 61.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.69 : 69.89 = 44.93 : x
  2. Step 2: Convert to fraction form
    50.69/69.89 = 44.93/x
  3. Step 3: Cross multiply
    50.69x = 69.89 × 44.93
  4. Step 4: Simplify right side
    50.69x = 3,140.16
  5. Step 5: Solve for x
    x = 3,140.16/50.69
  6. Step 6: Final answer
    x = 61.95

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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.