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Finding the Fourth Proportional to 8,568.12, 11,820.06 and 5,919.24

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Solution

The fourth proportional to 8,568.12, 11,820.06 and 5,919.24 is: 8,165.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.12 : 11,820.06 = 5,919.24 : x
  2. Step 2: Convert to fraction form
    8,568.12/11,820.06 = 5,919.24/x
  3. Step 3: Cross multiply
    8,568.12x = 11,820.06 × 5,919.24
  4. Step 4: Simplify right side
    8,568.12x = 69,965,771.95
  5. Step 5: Solve for x
    x = 69,965,771.95/8,568.12
  6. Step 6: Final answer
    x = 8,165.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.