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Finding the Fourth Proportional to 34, 51 and 23.83

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Solution

The fourth proportional to 34, 51 and 23.83 is: 35.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34 : 51 = 23.83 : x
  2. Step 2: Convert to fraction form
    34/51 = 23.83/x
  3. Step 3: Cross multiply
    34x = 51 × 23.83
  4. Step 4: Simplify right side
    34x = 1,215.33
  5. Step 5: Solve for x
    x = 1,215.33/34
  6. Step 6: Final answer
    x = 35.75

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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.