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Finding the Fourth Proportional to 6,074.65, 8,382.98 and 3,422.91

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Solution

The fourth proportional to 6,074.65, 8,382.98 and 3,422.91 is: 4,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,074.65 : 8,382.98 = 3,422.91 : x
  2. Step 2: Convert to fraction form
    6,074.65/8,382.98 = 3,422.91/x
  3. Step 3: Cross multiply
    6,074.65x = 8,382.98 × 3,422.91
  4. Step 4: Simplify right side
    6,074.65x = 28,694,213.23
  5. Step 5: Solve for x
    x = 28,694,213.23/6,074.65
  6. Step 6: Final answer
    x = 4,723.60

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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.