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Finding the Fourth Proportional to 54,775.17, 82,171.84 and 19,227.27

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Solution

The fourth proportional to 54,775.17, 82,171.84 and 19,227.27 is: 28,844.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,775.17 : 82,171.84 = 19,227.27 : x
  2. Step 2: Convert to fraction form
    54,775.17/82,171.84 = 19,227.27/x
  3. Step 3: Cross multiply
    54,775.17x = 82,171.84 × 19,227.27
  4. Step 4: Simplify right side
    54,775.17x = 1,579,940,178.11
  5. Step 5: Solve for x
    x = 1,579,940,178.11/54,775.17
  6. Step 6: Final answer
    x = 28,844.09

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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.