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Finding the Fourth Proportional to 67,007.10, 100,474.20 and 27,568.20

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Solution

The fourth proportional to 67,007.10, 100,474.20 and 27,568.20 is: 41,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,007.10 : 100,474.20 = 27,568.20 : x
  2. Step 2: Convert to fraction form
    67,007.10/100,474.20 = 27,568.20/x
  3. Step 3: Cross multiply
    67,007.10x = 100,474.20 × 27,568.20
  4. Step 4: Simplify right side
    67,007.10x = 2,769,892,840.44
  5. Step 5: Solve for x
    x = 2,769,892,840.44/67,007.10
  6. Step 6: Final answer
    x = 41,337.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.