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Finding the Fourth Proportional to 8,213.52, 11,334.42 and 4,487.52

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Solution

The fourth proportional to 8,213.52, 11,334.42 and 4,487.52 is: 6,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.52 : 11,334.42 = 4,487.52 : x
  2. Step 2: Convert to fraction form
    8,213.52/11,334.42 = 4,487.52/x
  3. Step 3: Cross multiply
    8,213.52x = 11,334.42 × 4,487.52
  4. Step 4: Simplify right side
    8,213.52x = 50,863,436.44
  5. Step 5: Solve for x
    x = 50,863,436.44/8,213.52
  6. Step 6: Final answer
    x = 6,192.65

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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.