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Finding the Fourth Proportional to 8,164.60, 12,243.30 and 3,232.60

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Solution

The fourth proportional to 8,164.60, 12,243.30 and 3,232.60 is: 4,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.60 : 12,243.30 = 3,232.60 : x
  2. Step 2: Convert to fraction form
    8,164.60/12,243.30 = 3,232.60/x
  3. Step 3: Cross multiply
    8,164.60x = 12,243.30 × 3,232.60
  4. Step 4: Simplify right side
    8,164.60x = 39,577,691.58
  5. Step 5: Solve for x
    x = 39,577,691.58/8,164.60
  6. Step 6: Final answer
    x = 4,847.47

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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.