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Finding the Fourth Proportional to 67,125.42, 92,633.42 and 36,912.69

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Solution

The fourth proportional to 67,125.42, 92,633.42 and 36,912.69 is: 50,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,125.42 : 92,633.42 = 36,912.69 : x
  2. Step 2: Convert to fraction form
    67,125.42/92,633.42 = 36,912.69/x
  3. Step 3: Cross multiply
    67,125.42x = 92,633.42 × 36,912.69
  4. Step 4: Simplify right side
    67,125.42x = 3,419,348,716.10
  5. Step 5: Solve for x
    x = 3,419,348,716.10/67,125.42
  6. Step 6: Final answer
    x = 50,939.70

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1.5x scale

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.