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Finding the Fourth Proportional to 58.82, 88.22 and 33.13

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Solution

The fourth proportional to 58.82, 88.22 and 33.13 is: 49.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.82 : 88.22 = 33.13 : x
  2. Step 2: Convert to fraction form
    58.82/88.22 = 33.13/x
  3. Step 3: Cross multiply
    58.82x = 88.22 × 33.13
  4. Step 4: Simplify right side
    58.82x = 2,922.73
  5. Step 5: Solve for x
    x = 2,922.73/58.82
  6. Step 6: Final answer
    x = 49.69

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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.