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Finding the Fourth Proportional to 8,168.09, 12,252.13 and 2,012.09

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Solution

The fourth proportional to 8,168.09, 12,252.13 and 2,012.09 is: 3,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.09 : 12,252.13 = 2,012.09 : x
  2. Step 2: Convert to fraction form
    8,168.09/12,252.13 = 2,012.09/x
  3. Step 3: Cross multiply
    8,168.09x = 12,252.13 × 2,012.09
  4. Step 4: Simplify right side
    8,168.09x = 24,652,321.96
  5. Step 5: Solve for x
    x = 24,652,321.96/8,168.09
  6. Step 6: Final answer
    x = 3,018.13

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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.