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Finding the Fourth Proportional to 61,221.81, 91,797.03 and 23,738.09

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Solution

The fourth proportional to 61,221.81, 91,797.03 and 23,738.09 is: 35,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,221.81 : 91,797.03 = 23,738.09 : x
  2. Step 2: Convert to fraction form
    61,221.81/91,797.03 = 23,738.09/x
  3. Step 3: Cross multiply
    61,221.81x = 91,797.03 × 23,738.09
  4. Step 4: Simplify right side
    61,221.81x = 2,179,086,159.87
  5. Step 5: Solve for x
    x = 2,179,086,159.87/61,221.81
  6. Step 6: Final answer
    x = 35,593.30

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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.