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Finding the Fourth Proportional to 4,609.92, 6,363.52 and 2,843.20

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Solution

The fourth proportional to 4,609.92, 6,363.52 and 2,843.20 is: 3,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.92 : 6,363.52 = 2,843.20 : x
  2. Step 2: Convert to fraction form
    4,609.92/6,363.52 = 2,843.20/x
  3. Step 3: Cross multiply
    4,609.92x = 6,363.52 × 2,843.20
  4. Step 4: Simplify right side
    4,609.92x = 18,092,760.06
  5. Step 5: Solve for x
    x = 18,092,760.06/4,609.92
  6. Step 6: Final answer
    x = 3,924.74

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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.