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Finding the Fourth Proportional to 55.33, 83.00 and 23.27

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Solution

The fourth proportional to 55.33, 83.00 and 23.27 is: 34.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.33 : 83.00 = 23.27 : x
  2. Step 2: Convert to fraction form
    55.33/83.00 = 23.27/x
  3. Step 3: Cross multiply
    55.33x = 83.00 × 23.27
  4. Step 4: Simplify right side
    55.33x = 1,930.88
  5. Step 5: Solve for x
    x = 1,930.88/55.33
  6. Step 6: Final answer
    x = 34.90

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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.