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Finding the Fourth Proportional to 71,710.44, 107,579.34 and 27,333.48

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Solution

The fourth proportional to 71,710.44, 107,579.34 and 27,333.48 is: 41,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,710.44 : 107,579.34 = 27,333.48 : x
  2. Step 2: Convert to fraction form
    71,710.44/107,579.34 = 27,333.48/x
  3. Step 3: Cross multiply
    71,710.44x = 107,579.34 × 27,333.48
  4. Step 4: Simplify right side
    71,710.44x = 2,940,517,738.30
  5. Step 5: Solve for x
    x = 2,940,517,738.30/71,710.44
  6. Step 6: Final answer
    x = 41,005.43

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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.