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Finding the Fourth Proportional to 18,054.65, 27,072.04 and 5,571.27

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Solution

The fourth proportional to 18,054.65, 27,072.04 and 5,571.27 is: 8,353.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,054.65 : 27,072.04 = 5,571.27 : x
  2. Step 2: Convert to fraction form
    18,054.65/27,072.04 = 5,571.27/x
  3. Step 3: Cross multiply
    18,054.65x = 27,072.04 × 5,571.27
  4. Step 4: Simplify right side
    18,054.65x = 150,825,644.29
  5. Step 5: Solve for x
    x = 150,825,644.29/18,054.65
  6. Step 6: Final answer
    x = 8,353.84

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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.