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Finding the Fourth Proportional to 42.82, 59.09 and 32.49

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Solution

The fourth proportional to 42.82, 59.09 and 32.49 is: 44.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42.82 : 59.09 = 32.49 : x
  2. Step 2: Convert to fraction form
    42.82/59.09 = 32.49/x
  3. Step 3: Cross multiply
    42.82x = 59.09 × 32.49
  4. Step 4: Simplify right side
    42.82x = 1,919.67
  5. Step 5: Solve for x
    x = 1,919.67/42.82
  6. Step 6: Final answer
    x = 44.83

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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.