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Finding the Fourth Proportional to 69,377.28, 104,085.36 and 27,853.44

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Solution

The fourth proportional to 69,377.28, 104,085.36 and 27,853.44 is: 41,787.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,377.28 : 104,085.36 = 27,853.44 : x
  2. Step 2: Convert to fraction form
    69,377.28/104,085.36 = 27,853.44/x
  3. Step 3: Cross multiply
    69,377.28x = 104,085.36 × 27,853.44
  4. Step 4: Simplify right side
    69,377.28x = 2,899,135,329.64
  5. Step 5: Solve for x
    x = 2,899,135,329.64/69,377.28
  6. Step 6: Final answer
    x = 41,787.96

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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.