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Finding the Fourth Proportional to 22,027.87, 33,074.61 and 8,905.87

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Solution

The fourth proportional to 22,027.87, 33,074.61 and 8,905.87 is: 13,372.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,027.87 : 33,074.61 = 8,905.87 : x
  2. Step 2: Convert to fraction form
    22,027.87/33,074.61 = 8,905.87/x
  3. Step 3: Cross multiply
    22,027.87x = 33,074.61 × 8,905.87
  4. Step 4: Simplify right side
    22,027.87x = 294,558,235.00
  5. Step 5: Solve for x
    x = 294,558,235.00/22,027.87
  6. Step 6: Final answer
    x = 13,372.07

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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.