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Finding the Fourth Proportional to 59.09, 88.44 and 38.73

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Solution

The fourth proportional to 59.09, 88.44 and 38.73 is: 57.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.09 : 88.44 = 38.73 : x
  2. Step 2: Convert to fraction form
    59.09/88.44 = 38.73/x
  3. Step 3: Cross multiply
    59.09x = 88.44 × 38.73
  4. Step 4: Simplify right side
    59.09x = 3,425.28
  5. Step 5: Solve for x
    x = 3,425.28/59.09
  6. Step 6: Final answer
    x = 57.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.