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Finding the Fourth Proportional to 5,919.28, 8,874.08 and 2,797.64

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Solution

The fourth proportional to 5,919.28, 8,874.08 and 2,797.64 is: 4,194.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.28 : 8,874.08 = 2,797.64 : x
  2. Step 2: Convert to fraction form
    5,919.28/8,874.08 = 2,797.64/x
  3. Step 3: Cross multiply
    5,919.28x = 8,874.08 × 2,797.64
  4. Step 4: Simplify right side
    5,919.28x = 24,826,481.17
  5. Step 5: Solve for x
    x = 24,826,481.17/5,919.28
  6. Step 6: Final answer
    x = 4,194.17

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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.