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Finding the Fourth Proportional to 59.27, 81.78 and 37.42

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Solution

The fourth proportional to 59.27, 81.78 and 37.42 is: 51.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.27 : 81.78 = 37.42 : x
  2. Step 2: Convert to fraction form
    59.27/81.78 = 37.42/x
  3. Step 3: Cross multiply
    59.27x = 81.78 × 37.42
  4. Step 4: Simplify right side
    59.27x = 3,059.82
  5. Step 5: Solve for x
    x = 3,059.82/59.27
  6. Step 6: Final answer
    x = 51.63

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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.