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Finding the Fourth Proportional to 49,163.63, 73,745.64 and 17,998.88

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Solution

The fourth proportional to 49,163.63, 73,745.64 and 17,998.88 is: 26,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,163.63 : 73,745.64 = 17,998.88 : x
  2. Step 2: Convert to fraction form
    49,163.63/73,745.64 = 17,998.88/x
  3. Step 3: Cross multiply
    49,163.63x = 73,745.64 × 17,998.88
  4. Step 4: Simplify right side
    49,163.63x = 1,327,338,556.16
  5. Step 5: Solve for x
    x = 1,327,338,556.16/49,163.63
  6. Step 6: Final answer
    x = 26,998.39

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1.5x scale

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.