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Finding the Fourth Proportional to 5,500.35, 8,251.16 and 1,992.00

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Solution

The fourth proportional to 5,500.35, 8,251.16 and 1,992.00 is: 2,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.35 : 8,251.16 = 1,992.00 : x
  2. Step 2: Convert to fraction form
    5,500.35/8,251.16 = 1,992.00/x
  3. Step 3: Cross multiply
    5,500.35x = 8,251.16 × 1,992.00
  4. Step 4: Simplify right side
    5,500.35x = 16,436,346.64
  5. Step 5: Solve for x
    x = 16,436,346.64/5,500.35
  6. Step 6: Final answer
    x = 2,988.24

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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.