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Finding the Fourth Proportional to 50.55, 69.72 and 32.09

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Solution

The fourth proportional to 50.55, 69.72 and 32.09 is: 44.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.55 : 69.72 = 32.09 : x
  2. Step 2: Convert to fraction form
    50.55/69.72 = 32.09/x
  3. Step 3: Cross multiply
    50.55x = 69.72 × 32.09
  4. Step 4: Simplify right side
    50.55x = 2,237.15
  5. Step 5: Solve for x
    x = 2,237.15/50.55
  6. Step 6: Final answer
    x = 44.26

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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.