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Finding the Fourth Proportional to 44.34, 66.42 and 36.27

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Solution

The fourth proportional to 44.34, 66.42 and 36.27 is: 54.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.34 : 66.42 = 36.27 : x
  2. Step 2: Convert to fraction form
    44.34/66.42 = 36.27/x
  3. Step 3: Cross multiply
    44.34x = 66.42 × 36.27
  4. Step 4: Simplify right side
    44.34x = 2,409.05
  5. Step 5: Solve for x
    x = 2,409.05/44.34
  6. Step 6: Final answer
    x = 54.33

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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.