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Finding the Fourth Proportional to 54,603.52, 81,906.88 and 15,163.52

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Solution

The fourth proportional to 54,603.52, 81,906.88 and 15,163.52 is: 22,745.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,603.52 : 81,906.88 = 15,163.52 : x
  2. Step 2: Convert to fraction form
    54,603.52/81,906.88 = 15,163.52/x
  3. Step 3: Cross multiply
    54,603.52x = 81,906.88 × 15,163.52
  4. Step 4: Simplify right side
    54,603.52x = 1,241,996,613.02
  5. Step 5: Solve for x
    x = 1,241,996,613.02/54,603.52
  6. Step 6: Final answer
    x = 22,745.72

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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.