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Finding the Fourth Proportional to 50.57, 69.55 and 44.43

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Solution

The fourth proportional to 50.57, 69.55 and 44.43 is: 61.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.57 : 69.55 = 44.43 : x
  2. Step 2: Convert to fraction form
    50.57/69.55 = 44.43/x
  3. Step 3: Cross multiply
    50.57x = 69.55 × 44.43
  4. Step 4: Simplify right side
    50.57x = 3,090.11
  5. Step 5: Solve for x
    x = 3,090.11/50.57
  6. Step 6: Final answer
    x = 61.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.