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Finding the Fourth Proportional to 8,411.97, 12,617.99 and 2,568.57

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Solution

The fourth proportional to 8,411.97, 12,617.99 and 2,568.57 is: 3,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.97 : 12,617.99 = 2,568.57 : x
  2. Step 2: Convert to fraction form
    8,411.97/12,617.99 = 2,568.57/x
  3. Step 3: Cross multiply
    8,411.97x = 12,617.99 × 2,568.57
  4. Step 4: Simplify right side
    8,411.97x = 32,410,190.57
  5. Step 5: Solve for x
    x = 32,410,190.57/8,411.97
  6. Step 6: Final answer
    x = 3,852.87

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Similar ratio
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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.