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Finding the Fourth Proportional to 66,879.22, 92,292.28 and 36,664.79

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Solution

The fourth proportional to 66,879.22, 92,292.28 and 36,664.79 is: 50,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,879.22 : 92,292.28 = 36,664.79 : x
  2. Step 2: Convert to fraction form
    66,879.22/92,292.28 = 36,664.79/x
  3. Step 3: Cross multiply
    66,879.22x = 92,292.28 × 36,664.79
  4. Step 4: Simplify right side
    66,879.22x = 3,383,876,936.02
  5. Step 5: Solve for x
    x = 3,383,876,936.02/66,879.22
  6. Step 6: Final answer
    x = 50,596.84

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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.