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Finding the Fourth Proportional to 64,379.52, 88,843.20 and 36,085.44

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Solution

The fourth proportional to 64,379.52, 88,843.20 and 36,085.44 is: 49,797.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,379.52 : 88,843.20 = 36,085.44 : x
  2. Step 2: Convert to fraction form
    64,379.52/88,843.20 = 36,085.44/x
  3. Step 3: Cross multiply
    64,379.52x = 88,843.20 × 36,085.44
  4. Step 4: Simplify right side
    64,379.52x = 3,205,945,963.01
  5. Step 5: Solve for x
    x = 3,205,945,963.01/64,379.52
  6. Step 6: Final answer
    x = 49,797.61

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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.