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Finding the Fourth Proportional to 22,480.86, 33,727.73 and 6,900.78

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Solution

The fourth proportional to 22,480.86, 33,727.73 and 6,900.78 is: 10,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,480.86 : 33,727.73 = 6,900.78 : x
  2. Step 2: Convert to fraction form
    22,480.86/33,727.73 = 6,900.78/x
  3. Step 3: Cross multiply
    22,480.86x = 33,727.73 × 6,900.78
  4. Step 4: Simplify right side
    22,480.86x = 232,747,644.63
  5. Step 5: Solve for x
    x = 232,747,644.63/22,480.86
  6. Step 6: Final answer
    x = 10,353.15

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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.