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Finding the Fourth Proportional to 67,122.66, 92,631.94 and 36,910.46

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Solution

The fourth proportional to 67,122.66, 92,631.94 and 36,910.46 is: 50,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,122.66 : 92,631.94 = 36,910.46 : x
  2. Step 2: Convert to fraction form
    67,122.66/92,631.94 = 36,910.46/x
  3. Step 3: Cross multiply
    67,122.66x = 92,631.94 × 36,910.46
  4. Step 4: Simplify right side
    67,122.66x = 3,419,087,516.09
  5. Step 5: Solve for x
    x = 3,419,087,516.09/67,122.66
  6. Step 6: Final answer
    x = 50,937.90

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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.