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Finding the Fourth Proportional to 59.73, 82.44 and 42.27

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Solution

The fourth proportional to 59.73, 82.44 and 42.27 is: 58.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.73 : 82.44 = 42.27 : x
  2. Step 2: Convert to fraction form
    59.73/82.44 = 42.27/x
  3. Step 3: Cross multiply
    59.73x = 82.44 × 42.27
  4. Step 4: Simplify right side
    59.73x = 3,484.74
  5. Step 5: Solve for x
    x = 3,484.74/59.73
  6. Step 6: Final answer
    x = 58.34

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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.