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Finding the Fourth Proportional to 8,793.69, 13,190.14 and 2,553.58

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Solution

The fourth proportional to 8,793.69, 13,190.14 and 2,553.58 is: 3,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.69 : 13,190.14 = 2,553.58 : x
  2. Step 2: Convert to fraction form
    8,793.69/13,190.14 = 2,553.58/x
  3. Step 3: Cross multiply
    8,793.69x = 13,190.14 × 2,553.58
  4. Step 4: Simplify right side
    8,793.69x = 33,682,077.70
  5. Step 5: Solve for x
    x = 33,682,077.70/8,793.69
  6. Step 6: Final answer
    x = 3,830.26

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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.