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Finding the Fourth Proportional to 8,414.02, 12,618.06 and 3,481.48

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Solution

The fourth proportional to 8,414.02, 12,618.06 and 3,481.48 is: 5,220.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.02 : 12,618.06 = 3,481.48 : x
  2. Step 2: Convert to fraction form
    8,414.02/12,618.06 = 3,481.48/x
  3. Step 3: Cross multiply
    8,414.02x = 12,618.06 × 3,481.48
  4. Step 4: Simplify right side
    8,414.02x = 43,929,523.53
  5. Step 5: Solve for x
    x = 43,929,523.53/8,414.02
  6. Step 6: Final answer
    x = 5,220.99

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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.