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Finding the Fourth Proportional to 8,791.99, 13,188.01 and 2,218.18

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Solution

The fourth proportional to 8,791.99, 13,188.01 and 2,218.18 is: 3,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.99 : 13,188.01 = 2,218.18 : x
  2. Step 2: Convert to fraction form
    8,791.99/13,188.01 = 2,218.18/x
  3. Step 3: Cross multiply
    8,791.99x = 13,188.01 × 2,218.18
  4. Step 4: Simplify right side
    8,791.99x = 29,253,368.92
  5. Step 5: Solve for x
    x = 29,253,368.92/8,791.99
  6. Step 6: Final answer
    x = 3,327.27

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Similar ratio
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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.