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Finding the Fourth Proportional to 8,500.80, 12,749.28 and 3,233.94

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Solution

The fourth proportional to 8,500.80, 12,749.28 and 3,233.94 is: 4,850.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.80 : 12,749.28 = 3,233.94 : x
  2. Step 2: Convert to fraction form
    8,500.80/12,749.28 = 3,233.94/x
  3. Step 3: Cross multiply
    8,500.80x = 12,749.28 × 3,233.94
  4. Step 4: Simplify right side
    8,500.80x = 41,230,406.56
  5. Step 5: Solve for x
    x = 41,230,406.56/8,500.80
  6. Step 6: Final answer
    x = 4,850.18

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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.