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Finding the Fourth Proportional to 52,793.47, 79,143.79 and 27,439.60

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Solution

The fourth proportional to 52,793.47, 79,143.79 and 27,439.60 is: 41,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,793.47 : 79,143.79 = 27,439.60 : x
  2. Step 2: Convert to fraction form
    52,793.47/79,143.79 = 27,439.60/x
  3. Step 3: Cross multiply
    52,793.47x = 79,143.79 × 27,439.60
  4. Step 4: Simplify right side
    52,793.47x = 2,171,673,940.08
  5. Step 5: Solve for x
    x = 2,171,673,940.08/52,793.47
  6. Step 6: Final answer
    x = 41,135.28

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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.