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Finding the Fourth Proportional to 8,453.70, 12,676.89 and 6,507.27

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Solution

The fourth proportional to 8,453.70, 12,676.89 and 6,507.27 is: 9,758.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.70 : 12,676.89 = 6,507.27 : x
  2. Step 2: Convert to fraction form
    8,453.70/12,676.89 = 6,507.27/x
  3. Step 3: Cross multiply
    8,453.70x = 12,676.89 × 6,507.27
  4. Step 4: Simplify right side
    8,453.70x = 82,491,945.99
  5. Step 5: Solve for x
    x = 82,491,945.99/8,453.70
  6. Step 6: Final answer
    x = 9,758.09

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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.