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Finding the Fourth Proportional to 67,276.44, 100,919.57 and 27,276.21

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Solution

The fourth proportional to 67,276.44, 100,919.57 and 27,276.21 is: 40,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,276.44 : 100,919.57 = 27,276.21 : x
  2. Step 2: Convert to fraction form
    67,276.44/100,919.57 = 27,276.21/x
  3. Step 3: Cross multiply
    67,276.44x = 100,919.57 × 27,276.21
  4. Step 4: Simplify right side
    67,276.44x = 2,752,703,248.05
  5. Step 5: Solve for x
    x = 2,752,703,248.05/67,276.44
  6. Step 6: Final answer
    x = 40,916.30

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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.