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Finding the Fourth Proportional to 44.27, 66.44 and 38.93

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Solution

The fourth proportional to 44.27, 66.44 and 38.93 is: 58.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.27 : 66.44 = 38.93 : x
  2. Step 2: Convert to fraction form
    44.27/66.44 = 38.93/x
  3. Step 3: Cross multiply
    44.27x = 66.44 × 38.93
  4. Step 4: Simplify right side
    44.27x = 2,586.31
  5. Step 5: Solve for x
    x = 2,586.31/44.27
  6. Step 6: Final answer
    x = 58.42

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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.