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Finding the Fourth Proportional to 18,094.60, 27,133.80 and 8,228.80

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Solution

The fourth proportional to 18,094.60, 27,133.80 and 8,228.80 is: 12,339.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,094.60 : 27,133.80 = 8,228.80 : x
  2. Step 2: Convert to fraction form
    18,094.60/27,133.80 = 8,228.80/x
  3. Step 3: Cross multiply
    18,094.60x = 27,133.80 × 8,228.80
  4. Step 4: Simplify right side
    18,094.60x = 223,278,613.44
  5. Step 5: Solve for x
    x = 223,278,613.44/18,094.60
  6. Step 6: Final answer
    x = 12,339.52

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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.