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Finding the Fourth Proportional to 8,793.09, 13,188.21 and 3,249.05

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Solution

The fourth proportional to 8,793.09, 13,188.21 and 3,249.05 is: 4,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.09 : 13,188.21 = 3,249.05 : x
  2. Step 2: Convert to fraction form
    8,793.09/13,188.21 = 3,249.05/x
  3. Step 3: Cross multiply
    8,793.09x = 13,188.21 × 3,249.05
  4. Step 4: Simplify right side
    8,793.09x = 42,849,153.70
  5. Step 5: Solve for x
    x = 42,849,153.70/8,793.09
  6. Step 6: Final answer
    x = 4,873.05

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Half scale
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Double scale
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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.