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Finding the Fourth Proportional to 23,193, 34,789.50 and 10,881

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Solution

The fourth proportional to 23,193, 34,789.50 and 10,881 is: 16,321.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,193 : 34,789.50 = 10,881 : x
  2. Step 2: Convert to fraction form
    23,193/34,789.50 = 10,881/x
  3. Step 3: Cross multiply
    23,193x = 34,789.50 × 10,881
  4. Step 4: Simplify right side
    23,193x = 378,544,549.50
  5. Step 5: Solve for x
    x = 378,544,549.50/23,193
  6. Step 6: Final answer
    x = 16,321.50

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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.