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Finding the Fourth Proportional to 8,793.58, 13,190.31 and 2,219.74

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Solution

The fourth proportional to 8,793.58, 13,190.31 and 2,219.74 is: 3,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.58 : 13,190.31 = 2,219.74 : x
  2. Step 2: Convert to fraction form
    8,793.58/13,190.31 = 2,219.74/x
  3. Step 3: Cross multiply
    8,793.58x = 13,190.31 × 2,219.74
  4. Step 4: Simplify right side
    8,793.58x = 29,278,998.32
  5. Step 5: Solve for x
    x = 29,278,998.32/8,793.58
  6. Step 6: Final answer
    x = 3,329.59

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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.