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Finding the Fourth Proportional to 18,882.37, 28,331.22 and 9,525.09

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Solution

The fourth proportional to 18,882.37, 28,331.22 and 9,525.09 is: 14,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.37 : 28,331.22 = 9,525.09 : x
  2. Step 2: Convert to fraction form
    18,882.37/28,331.22 = 9,525.09/x
  3. Step 3: Cross multiply
    18,882.37x = 28,331.22 × 9,525.09
  4. Step 4: Simplify right side
    18,882.37x = 269,857,508.69
  5. Step 5: Solve for x
    x = 269,857,508.69/18,882.37
  6. Step 6: Final answer
    x = 14,291.51

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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.