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Finding the Fourth Proportional to 67,115.97, 92,620.11 and 36,901.80

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Solution

The fourth proportional to 67,115.97, 92,620.11 and 36,901.80 is: 50,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,115.97 : 92,620.11 = 36,901.80 : x
  2. Step 2: Convert to fraction form
    67,115.97/92,620.11 = 36,901.80/x
  3. Step 3: Cross multiply
    67,115.97x = 92,620.11 × 36,901.80
  4. Step 4: Simplify right side
    67,115.97x = 3,417,848,775.20
  5. Step 5: Solve for x
    x = 3,417,848,775.20/67,115.97
  6. Step 6: Final answer
    x = 50,924.52

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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.