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Finding the Fourth Proportional to 8,467.75, 12,703.65 and 5,367.67

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Solution

The fourth proportional to 8,467.75, 12,703.65 and 5,367.67 is: 8,052.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.75 : 12,703.65 = 5,367.67 : x
  2. Step 2: Convert to fraction form
    8,467.75/12,703.65 = 5,367.67/x
  3. Step 3: Cross multiply
    8,467.75x = 12,703.65 × 5,367.67
  4. Step 4: Simplify right side
    8,467.75x = 68,189,001.00
  5. Step 5: Solve for x
    x = 68,189,001.00/8,467.75
  6. Step 6: Final answer
    x = 8,052.79

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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.