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Finding the Fourth Proportional to 44.44, 61.28 and 36.68

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Solution

The fourth proportional to 44.44, 61.28 and 36.68 is: 50.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.44 : 61.28 = 36.68 : x
  2. Step 2: Convert to fraction form
    44.44/61.28 = 36.68/x
  3. Step 3: Cross multiply
    44.44x = 61.28 × 36.68
  4. Step 4: Simplify right side
    44.44x = 2,247.75
  5. Step 5: Solve for x
    x = 2,247.75/44.44
  6. Step 6: Final answer
    x = 50.58

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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.