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Finding the Fourth Proportional to 22,154.92, 33,219.92 and 7,355.91

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Solution

The fourth proportional to 22,154.92, 33,219.92 and 7,355.91 is: 11,029.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,154.92 : 33,219.92 = 7,355.91 : x
  2. Step 2: Convert to fraction form
    22,154.92/33,219.92 = 7,355.91/x
  3. Step 3: Cross multiply
    22,154.92x = 33,219.92 × 7,355.91
  4. Step 4: Simplify right side
    22,154.92x = 244,362,884.69
  5. Step 5: Solve for x
    x = 244,362,884.69/22,154.92
  6. Step 6: Final answer
    x = 11,029.74

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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.