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Finding the Fourth Proportional to 58.29, 80.42 and 33.73

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Solution

The fourth proportional to 58.29, 80.42 and 33.73 is: 46.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.29 : 80.42 = 33.73 : x
  2. Step 2: Convert to fraction form
    58.29/80.42 = 33.73/x
  3. Step 3: Cross multiply
    58.29x = 80.42 × 33.73
  4. Step 4: Simplify right side
    58.29x = 2,712.57
  5. Step 5: Solve for x
    x = 2,712.57/58.29
  6. Step 6: Final answer
    x = 46.54

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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.