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Finding the Fourth Proportional to 8,019.72, 12,028.23 and 2,175.03

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Solution

The fourth proportional to 8,019.72, 12,028.23 and 2,175.03 is: 3,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.72 : 12,028.23 = 2,175.03 : x
  2. Step 2: Convert to fraction form
    8,019.72/12,028.23 = 2,175.03/x
  3. Step 3: Cross multiply
    8,019.72x = 12,028.23 × 2,175.03
  4. Step 4: Simplify right side
    8,019.72x = 26,161,761.10
  5. Step 5: Solve for x
    x = 26,161,761.10/8,019.72
  6. Step 6: Final answer
    x = 3,262.18

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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.