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Finding the Fourth Proportional to 8,811.14, 13,190.78 and 5,882.18

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Solution

The fourth proportional to 8,811.14, 13,190.78 and 5,882.18 is: 8,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.14 : 13,190.78 = 5,882.18 : x
  2. Step 2: Convert to fraction form
    8,811.14/13,190.78 = 5,882.18/x
  3. Step 3: Cross multiply
    8,811.14x = 13,190.78 × 5,882.18
  4. Step 4: Simplify right side
    8,811.14x = 77,590,542.30
  5. Step 5: Solve for x
    x = 77,590,542.30/8,811.14
  6. Step 6: Final answer
    x = 8,805.96

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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.