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Finding the Fourth Proportional to 18,559.73, 27,849.17 and 12,324.05

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Solution

The fourth proportional to 18,559.73, 27,849.17 and 12,324.05 is: 18,492.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.73 : 27,849.17 = 12,324.05 : x
  2. Step 2: Convert to fraction form
    18,559.73/27,849.17 = 12,324.05/x
  3. Step 3: Cross multiply
    18,559.73x = 27,849.17 × 12,324.05
  4. Step 4: Simplify right side
    18,559.73x = 343,214,490.21
  5. Step 5: Solve for x
    x = 343,214,490.21/18,559.73
  6. Step 6: Final answer
    x = 18,492.43

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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.