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Finding the Fourth Proportional to 66,942.69, 92,381.85 and 36,727.46

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Solution

The fourth proportional to 66,942.69, 92,381.85 and 36,727.46 is: 50,684.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,942.69 : 92,381.85 = 36,727.46 : x
  2. Step 2: Convert to fraction form
    66,942.69/92,381.85 = 36,727.46/x
  3. Step 3: Cross multiply
    66,942.69x = 92,381.85 × 36,727.46
  4. Step 4: Simplify right side
    66,942.69x = 3,392,950,700.60
  5. Step 5: Solve for x
    x = 3,392,950,700.60/66,942.69
  6. Step 6: Final answer
    x = 50,684.41

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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.