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Finding the Fourth Proportional to 6,382.62, 8,797.14 and 5,479.74

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Solution

The fourth proportional to 6,382.62, 8,797.14 and 5,479.74 is: 7,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382.62 : 8,797.14 = 5,479.74 : x
  2. Step 2: Convert to fraction form
    6,382.62/8,797.14 = 5,479.74/x
  3. Step 3: Cross multiply
    6,382.62x = 8,797.14 × 5,479.74
  4. Step 4: Simplify right side
    6,382.62x = 48,206,039.94
  5. Step 5: Solve for x
    x = 48,206,039.94/6,382.62
  6. Step 6: Final answer
    x = 7,552.70

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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.