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Finding the Fourth Proportional to 59.28, 81.81 and 33.41

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Solution

The fourth proportional to 59.28, 81.81 and 33.41 is: 46.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.28 : 81.81 = 33.41 : x
  2. Step 2: Convert to fraction form
    59.28/81.81 = 33.41/x
  3. Step 3: Cross multiply
    59.28x = 81.81 × 33.41
  4. Step 4: Simplify right side
    59.28x = 2,732.98
  5. Step 5: Solve for x
    x = 2,732.98/59.28
  6. Step 6: Final answer
    x = 46.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.