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Finding the Fourth Proportional to 59.31, 81.86 and 37.49

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Solution

The fourth proportional to 59.31, 81.86 and 37.49 is: 51.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.31 : 81.86 = 37.49 : x
  2. Step 2: Convert to fraction form
    59.31/81.86 = 37.49/x
  3. Step 3: Cross multiply
    59.31x = 81.86 × 37.49
  4. Step 4: Simplify right side
    59.31x = 3,068.33
  5. Step 5: Solve for x
    x = 3,068.33/59.31
  6. Step 6: Final answer
    x = 51.73

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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.