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Finding the Fourth Proportional to 8,203.60, 12,297.30 and 3,266.65

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Solution

The fourth proportional to 8,203.60, 12,297.30 and 3,266.65 is: 4,896.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.60 : 12,297.30 = 3,266.65 : x
  2. Step 2: Convert to fraction form
    8,203.60/12,297.30 = 3,266.65/x
  3. Step 3: Cross multiply
    8,203.60x = 12,297.30 × 3,266.65
  4. Step 4: Simplify right side
    8,203.60x = 40,170,975.05
  5. Step 5: Solve for x
    x = 40,170,975.05/8,203.60
  6. Step 6: Final answer
    x = 4,896.75

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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.