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Finding the Fourth Proportional to 67,115.76, 92,614.98 and 36,900.30

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Solution

The fourth proportional to 67,115.76, 92,614.98 and 36,900.30 is: 50,919.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,115.76 : 92,614.98 = 36,900.30 : x
  2. Step 2: Convert to fraction form
    67,115.76/92,614.98 = 36,900.30/x
  3. Step 3: Cross multiply
    67,115.76x = 92,614.98 × 36,900.30
  4. Step 4: Simplify right side
    67,115.76x = 3,417,520,546.49
  5. Step 5: Solve for x
    x = 3,417,520,546.49/67,115.76
  6. Step 6: Final answer
    x = 50,919.79

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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.