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Finding the Fourth Proportional to 49,843.54, 74,787.18 and 34,286.68

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Solution

The fourth proportional to 49,843.54, 74,787.18 and 34,286.68 is: 51,445.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,843.54 : 74,787.18 = 34,286.68 : x
  2. Step 2: Convert to fraction form
    49,843.54/74,787.18 = 34,286.68/x
  3. Step 3: Cross multiply
    49,843.54x = 74,787.18 × 34,286.68
  4. Step 4: Simplify right side
    49,843.54x = 2,564,204,108.76
  5. Step 5: Solve for x
    x = 2,564,204,108.76/49,843.54
  6. Step 6: Final answer
    x = 51,445.06

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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.