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Finding the Fourth Proportional to 42.82, 59.10 and 33.14

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Solution

The fourth proportional to 42.82, 59.10 and 33.14 is: 45.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42.82 : 59.10 = 33.14 : x
  2. Step 2: Convert to fraction form
    42.82/59.10 = 33.14/x
  3. Step 3: Cross multiply
    42.82x = 59.10 × 33.14
  4. Step 4: Simplify right side
    42.82x = 1,958.57
  5. Step 5: Solve for x
    x = 1,958.57/42.82
  6. Step 6: Final answer
    x = 45.74

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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.