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Finding the Fourth Proportional to 59.54, 82.14 and 44.80

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Solution

The fourth proportional to 59.54, 82.14 and 44.80 is: 61.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.54 : 82.14 = 44.80 : x
  2. Step 2: Convert to fraction form
    59.54/82.14 = 44.80/x
  3. Step 3: Cross multiply
    59.54x = 82.14 × 44.80
  4. Step 4: Simplify right side
    59.54x = 3,679.87
  5. Step 5: Solve for x
    x = 3,679.87/59.54
  6. Step 6: Final answer
    x = 61.81

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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.