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Finding the Fourth Proportional to 59.14, 81.74 and 44.56

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Solution

The fourth proportional to 59.14, 81.74 and 44.56 is: 61.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.14 : 81.74 = 44.56 : x
  2. Step 2: Convert to fraction form
    59.14/81.74 = 44.56/x
  3. Step 3: Cross multiply
    59.14x = 81.74 × 44.56
  4. Step 4: Simplify right side
    59.14x = 3,642.33
  5. Step 5: Solve for x
    x = 3,642.33/59.14
  6. Step 6: Final answer
    x = 61.59

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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.