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Finding the Fourth Proportional to 6,392.62, 8,824.22 and 4,727.43

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Solution

The fourth proportional to 6,392.62, 8,824.22 and 4,727.43 is: 6,525.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392.62 : 8,824.22 = 4,727.43 : x
  2. Step 2: Convert to fraction form
    6,392.62/8,824.22 = 4,727.43/x
  3. Step 3: Cross multiply
    6,392.62x = 8,824.22 × 4,727.43
  4. Step 4: Simplify right side
    6,392.62x = 41,715,882.35
  5. Step 5: Solve for x
    x = 41,715,882.35/6,392.62
  6. Step 6: Final answer
    x = 6,525.63

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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.