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Finding the Fourth Proportional to 48,395.88, 66,787.34 and 27,181.98

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Solution

The fourth proportional to 48,395.88, 66,787.34 and 27,181.98 is: 37,511.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,395.88 : 66,787.34 = 27,181.98 : x
  2. Step 2: Convert to fraction form
    48,395.88/66,787.34 = 27,181.98/x
  3. Step 3: Cross multiply
    48,395.88x = 66,787.34 × 27,181.98
  4. Step 4: Simplify right side
    48,395.88x = 1,815,412,004.22
  5. Step 5: Solve for x
    x = 1,815,412,004.22/48,395.88
  6. Step 6: Final answer
    x = 37,511.71

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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.