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Finding the Fourth Proportional to 8,246.67, 11,380.37 and 4,520.67

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Solution

The fourth proportional to 8,246.67, 11,380.37 and 4,520.67 is: 6,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.67 : 11,380.37 = 4,520.67 : x
  2. Step 2: Convert to fraction form
    8,246.67/11,380.37 = 4,520.67/x
  3. Step 3: Cross multiply
    8,246.67x = 11,380.37 × 4,520.67
  4. Step 4: Simplify right side
    8,246.67x = 51,446,874.64
  5. Step 5: Solve for x
    x = 51,446,874.64/8,246.67
  6. Step 6: Final answer
    x = 6,238.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.