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Finding the Fourth Proportional to 8,074.68, 12,108.06 and 3,633.72

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Solution

The fourth proportional to 8,074.68, 12,108.06 and 3,633.72 is: 5,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.68 : 12,108.06 = 3,633.72 : x
  2. Step 2: Convert to fraction form
    8,074.68/12,108.06 = 3,633.72/x
  3. Step 3: Cross multiply
    8,074.68x = 12,108.06 × 3,633.72
  4. Step 4: Simplify right side
    8,074.68x = 43,997,299.78
  5. Step 5: Solve for x
    x = 43,997,299.78/8,074.68
  6. Step 6: Final answer
    x = 5,448.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.