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Finding the Fourth Proportional to 41,963.49, 57,843.99 and 28,511.01

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Solution

The fourth proportional to 41,963.49, 57,843.99 and 28,511.01 is: 39,300.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,963.49 : 57,843.99 = 28,511.01 : x
  2. Step 2: Convert to fraction form
    41,963.49/57,843.99 = 28,511.01/x
  3. Step 3: Cross multiply
    41,963.49x = 57,843.99 × 28,511.01
  4. Step 4: Simplify right side
    41,963.49x = 1,649,190,577.33
  5. Step 5: Solve for x
    x = 1,649,190,577.33/41,963.49
  6. Step 6: Final answer
    x = 39,300.61

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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.