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Finding the Fourth Proportional to 50,843.25, 76,291.47 and 36,918.32

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Solution

The fourth proportional to 50,843.25, 76,291.47 and 36,918.32 is: 55,396.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,843.25 : 76,291.47 = 36,918.32 : x
  2. Step 2: Convert to fraction form
    50,843.25/76,291.47 = 36,918.32/x
  3. Step 3: Cross multiply
    50,843.25x = 76,291.47 × 36,918.32
  4. Step 4: Simplify right side
    50,843.25x = 2,816,552,521.27
  5. Step 5: Solve for x
    x = 2,816,552,521.27/50,843.25
  6. Step 6: Final answer
    x = 55,396.78

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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.