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Finding the Fourth Proportional to 22,245.68, 33,370.60 and 8,205.14

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Solution

The fourth proportional to 22,245.68, 33,370.60 and 8,205.14 is: 12,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.68 : 33,370.60 = 8,205.14 : x
  2. Step 2: Convert to fraction form
    22,245.68/33,370.60 = 8,205.14/x
  3. Step 3: Cross multiply
    22,245.68x = 33,370.60 × 8,205.14
  4. Step 4: Simplify right side
    22,245.68x = 273,810,444.88
  5. Step 5: Solve for x
    x = 273,810,444.88/22,245.68
  6. Step 6: Final answer
    x = 12,308.48

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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.