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Finding the Fourth Proportional to 8,517.35, 12,777.24 and 4,134.24

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Solution

The fourth proportional to 8,517.35, 12,777.24 and 4,134.24 is: 6,201.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.35 : 12,777.24 = 4,134.24 : x
  2. Step 2: Convert to fraction form
    8,517.35/12,777.24 = 4,134.24/x
  3. Step 3: Cross multiply
    8,517.35x = 12,777.24 × 4,134.24
  4. Step 4: Simplify right side
    8,517.35x = 52,824,192.20
  5. Step 5: Solve for x
    x = 52,824,192.20/8,517.35
  6. Step 6: Final answer
    x = 6,201.95

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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.