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Finding the Fourth Proportional to 22,980.92, 34,471.22 and 8,190.36

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Solution

The fourth proportional to 22,980.92, 34,471.22 and 8,190.36 is: 12,285.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,980.92 : 34,471.22 = 8,190.36 : x
  2. Step 2: Convert to fraction form
    22,980.92/34,471.22 = 8,190.36/x
  3. Step 3: Cross multiply
    22,980.92x = 34,471.22 × 8,190.36
  4. Step 4: Simplify right side
    22,980.92x = 282,331,660.49
  5. Step 5: Solve for x
    x = 282,331,660.49/22,980.92
  6. Step 6: Final answer
    x = 12,285.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.