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Finding the Fourth Proportional to 61.74, 92.67 and 44.73

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Solution

The fourth proportional to 61.74, 92.67 and 44.73 is: 67.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.74 : 92.67 = 44.73 : x
  2. Step 2: Convert to fraction form
    61.74/92.67 = 44.73/x
  3. Step 3: Cross multiply
    61.74x = 92.67 × 44.73
  4. Step 4: Simplify right side
    61.74x = 4,145.13
  5. Step 5: Solve for x
    x = 4,145.13/61.74
  6. Step 6: Final answer
    x = 67.14

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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.