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Finding the Fourth Proportional to 8,499.99, 12,749.97 and 2,576.87

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Solution

The fourth proportional to 8,499.99, 12,749.97 and 2,576.87 is: 3,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.99 : 12,749.97 = 2,576.87 : x
  2. Step 2: Convert to fraction form
    8,499.99/12,749.97 = 2,576.87/x
  3. Step 3: Cross multiply
    8,499.99x = 12,749.97 × 2,576.87
  4. Step 4: Simplify right side
    8,499.99x = 32,854,951.44
  5. Step 5: Solve for x
    x = 32,854,951.44/8,499.99
  6. Step 6: Final answer
    x = 3,865.29

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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.