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Finding the Fourth Proportional to 12,604.12, 18,906.18 and 6,797.65

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Solution

The fourth proportional to 12,604.12, 18,906.18 and 6,797.65 is: 10,196.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.12 : 18,906.18 = 6,797.65 : x
  2. Step 2: Convert to fraction form
    12,604.12/18,906.18 = 6,797.65/x
  3. Step 3: Cross multiply
    12,604.12x = 18,906.18 × 6,797.65
  4. Step 4: Simplify right side
    12,604.12x = 128,517,594.48
  5. Step 5: Solve for x
    x = 128,517,594.48/12,604.12
  6. Step 6: Final answer
    x = 10,196.48

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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.