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Finding the Fourth Proportional to 5,662.64, 8,493.96 and 2,199.89

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Solution

The fourth proportional to 5,662.64, 8,493.96 and 2,199.89 is: 3,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,662.64 : 8,493.96 = 2,199.89 : x
  2. Step 2: Convert to fraction form
    5,662.64/8,493.96 = 2,199.89/x
  3. Step 3: Cross multiply
    5,662.64x = 8,493.96 × 2,199.89
  4. Step 4: Simplify right side
    5,662.64x = 18,685,735.19
  5. Step 5: Solve for x
    x = 18,685,735.19/5,662.64
  6. Step 6: Final answer
    x = 3,299.83

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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.