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Finding the Fourth Proportional to 54,571.96, 81,857.94 and 36,099.64

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Solution

The fourth proportional to 54,571.96, 81,857.94 and 36,099.64 is: 54,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,571.96 : 81,857.94 = 36,099.64 : x
  2. Step 2: Convert to fraction form
    54,571.96/81,857.94 = 36,099.64/x
  3. Step 3: Cross multiply
    54,571.96x = 81,857.94 × 36,099.64
  4. Step 4: Simplify right side
    54,571.96x = 2,955,042,165.14
  5. Step 5: Solve for x
    x = 2,955,042,165.14/54,571.96
  6. Step 6: Final answer
    x = 54,149.46

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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.