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Finding the Fourth Proportional to 49,893.89, 68,787.40 and 41,363.81

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Solution

The fourth proportional to 49,893.89, 68,787.40 and 41,363.81 is: 57,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,893.89 : 68,787.40 = 41,363.81 : x
  2. Step 2: Convert to fraction form
    49,893.89/68,787.40 = 41,363.81/x
  3. Step 3: Cross multiply
    49,893.89x = 68,787.40 × 41,363.81
  4. Step 4: Simplify right side
    49,893.89x = 2,845,308,943.99
  5. Step 5: Solve for x
    x = 2,845,308,943.99/49,893.89
  6. Step 6: Final answer
    x = 57,027.20

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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.