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Finding the Fourth Proportional to 44.62, 61.60 and 27.12

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Solution

The fourth proportional to 44.62, 61.60 and 27.12 is: 37.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.62 : 61.60 = 27.12 : x
  2. Step 2: Convert to fraction form
    44.62/61.60 = 27.12/x
  3. Step 3: Cross multiply
    44.62x = 61.60 × 27.12
  4. Step 4: Simplify right side
    44.62x = 1,670.59
  5. Step 5: Solve for x
    x = 1,670.59/44.62
  6. Step 6: Final answer
    x = 37.44

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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.