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Finding the Fourth Proportional to 12,164.22, 18,246.22 and 3,844.24

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Solution

The fourth proportional to 12,164.22, 18,246.22 and 3,844.24 is: 5,766.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164.22 : 18,246.22 = 3,844.24 : x
  2. Step 2: Convert to fraction form
    12,164.22/18,246.22 = 3,844.24/x
  3. Step 3: Cross multiply
    12,164.22x = 18,246.22 × 3,844.24
  4. Step 4: Simplify right side
    12,164.22x = 70,142,793.55
  5. Step 5: Solve for x
    x = 70,142,793.55/12,164.22
  6. Step 6: Final answer
    x = 5,766.32

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Similar ratio
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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.