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Finding the Fourth Proportional to 44.73, 66.93 and 39.57

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Solution

The fourth proportional to 44.73, 66.93 and 39.57 is: 59.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.73 : 66.93 = 39.57 : x
  2. Step 2: Convert to fraction form
    44.73/66.93 = 39.57/x
  3. Step 3: Cross multiply
    44.73x = 66.93 × 39.57
  4. Step 4: Simplify right side
    44.73x = 2,648.42
  5. Step 5: Solve for x
    x = 2,648.42/44.73
  6. Step 6: Final answer
    x = 59.21

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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.