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Finding the Fourth Proportional to 54,324.56, 81,492.13 and 16,874.56

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Solution

The fourth proportional to 54,324.56, 81,492.13 and 16,874.56 is: 25,313.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,324.56 : 81,492.13 = 16,874.56 : x
  2. Step 2: Convert to fraction form
    54,324.56/81,492.13 = 16,874.56/x
  3. Step 3: Cross multiply
    54,324.56x = 81,492.13 × 16,874.56
  4. Step 4: Simplify right side
    54,324.56x = 1,375,143,752.84
  5. Step 5: Solve for x
    x = 1,375,143,752.84/54,324.56
  6. Step 6: Final answer
    x = 25,313.48

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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.