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Finding the Fourth Proportional to 44.36, 61.14 and 36.17

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Solution

The fourth proportional to 44.36, 61.14 and 36.17 is: 49.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.36 : 61.14 = 36.17 : x
  2. Step 2: Convert to fraction form
    44.36/61.14 = 36.17/x
  3. Step 3: Cross multiply
    44.36x = 61.14 × 36.17
  4. Step 4: Simplify right side
    44.36x = 2,211.43
  5. Step 5: Solve for x
    x = 2,211.43/44.36
  6. Step 6: Final answer
    x = 49.85

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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.