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Finding the Fourth Proportional to 44.35, 66.44 and 36.79

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Solution

The fourth proportional to 44.35, 66.44 and 36.79 is: 55.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.35 : 66.44 = 36.79 : x
  2. Step 2: Convert to fraction form
    44.35/66.44 = 36.79/x
  3. Step 3: Cross multiply
    44.35x = 66.44 × 36.79
  4. Step 4: Simplify right side
    44.35x = 2,444.25
  5. Step 5: Solve for x
    x = 2,444.25/44.35
  6. Step 6: Final answer
    x = 55.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.