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Finding the Fourth Proportional to 10,626.94, 15,940.41 and 3,231.46

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Solution

The fourth proportional to 10,626.94, 15,940.41 and 3,231.46 is: 4,847.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.94 : 15,940.41 = 3,231.46 : x
  2. Step 2: Convert to fraction form
    10,626.94/15,940.41 = 3,231.46/x
  3. Step 3: Cross multiply
    10,626.94x = 15,940.41 × 3,231.46
  4. Step 4: Simplify right side
    10,626.94x = 51,510,797.30
  5. Step 5: Solve for x
    x = 51,510,797.30/10,626.94
  6. Step 6: Final answer
    x = 4,847.19

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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.