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Finding the Fourth Proportional to 59.53, 82.16 and 33.31

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Solution

The fourth proportional to 59.53, 82.16 and 33.31 is: 45.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.53 : 82.16 = 33.31 : x
  2. Step 2: Convert to fraction form
    59.53/82.16 = 33.31/x
  3. Step 3: Cross multiply
    59.53x = 82.16 × 33.31
  4. Step 4: Simplify right side
    59.53x = 2,736.63
  5. Step 5: Solve for x
    x = 2,736.63/59.53
  6. Step 6: Final answer
    x = 45.97

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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.