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Finding the Fourth Proportional to 5,662.80, 8,494.20 and 4,022.55

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Solution

The fourth proportional to 5,662.80, 8,494.20 and 4,022.55 is: 6,033.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,662.80 : 8,494.20 = 4,022.55 : x
  2. Step 2: Convert to fraction form
    5,662.80/8,494.20 = 4,022.55/x
  3. Step 3: Cross multiply
    5,662.80x = 8,494.20 × 4,022.55
  4. Step 4: Simplify right side
    5,662.80x = 34,168,344.21
  5. Step 5: Solve for x
    x = 34,168,344.21/5,662.80
  6. Step 6: Final answer
    x = 6,033.83

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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.