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Finding the Fourth Proportional to 59.73, 82.43 and 37.89

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Solution

The fourth proportional to 59.73, 82.43 and 37.89 is: 52.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.73 : 82.43 = 37.89 : x
  2. Step 2: Convert to fraction form
    59.73/82.43 = 37.89/x
  3. Step 3: Cross multiply
    59.73x = 82.43 × 37.89
  4. Step 4: Simplify right side
    59.73x = 3,123.08
  5. Step 5: Solve for x
    x = 3,123.08/59.73
  6. Step 6: Final answer
    x = 52.29

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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.