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Finding the Fourth Proportional to 61.73, 92.43 and 50.27

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Solution

The fourth proportional to 61.73, 92.43 and 50.27 is: 75.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.73 : 92.43 = 50.27 : x
  2. Step 2: Convert to fraction form
    61.73/92.43 = 50.27/x
  3. Step 3: Cross multiply
    61.73x = 92.43 × 50.27
  4. Step 4: Simplify right side
    61.73x = 4,646.46
  5. Step 5: Solve for x
    x = 4,646.46/61.73
  6. Step 6: Final answer
    x = 75.27

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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.