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Finding the Fourth Proportional to 74,393.67, 111,591.09 and 27,646.50

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Solution

The fourth proportional to 74,393.67, 111,591.09 and 27,646.50 is: 41,469.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,393.67 : 111,591.09 = 27,646.50 : x
  2. Step 2: Convert to fraction form
    74,393.67/111,591.09 = 27,646.50/x
  3. Step 3: Cross multiply
    74,393.67x = 111,591.09 × 27,646.50
  4. Step 4: Simplify right side
    74,393.67x = 3,085,103,069.69
  5. Step 5: Solve for x
    x = 3,085,103,069.69/74,393.67
  6. Step 6: Final answer
    x = 41,469.97

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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.