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Finding the Fourth Proportional to 8,012.46, 12,018.24 and 2,168.64

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Solution

The fourth proportional to 8,012.46, 12,018.24 and 2,168.64 is: 3,252.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.46 : 12,018.24 = 2,168.64 : x
  2. Step 2: Convert to fraction form
    8,012.46/12,018.24 = 2,168.64/x
  3. Step 3: Cross multiply
    8,012.46x = 12,018.24 × 2,168.64
  4. Step 4: Simplify right side
    8,012.46x = 26,063,235.99
  5. Step 5: Solve for x
    x = 26,063,235.99/8,012.46
  6. Step 6: Final answer
    x = 3,252.84

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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.