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Finding the Fourth Proportional to 61,713.22, 85,163.22 and 33,418.56

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Solution

The fourth proportional to 61,713.22, 85,163.22 and 33,418.56 is: 46,117.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,713.22 : 85,163.22 = 33,418.56 : x
  2. Step 2: Convert to fraction form
    61,713.22/85,163.22 = 33,418.56/x
  3. Step 3: Cross multiply
    61,713.22x = 85,163.22 × 33,418.56
  4. Step 4: Simplify right side
    61,713.22x = 2,846,032,177.36
  5. Step 5: Solve for x
    x = 2,846,032,177.36/61,713.22
  6. Step 6: Final answer
    x = 46,117.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.