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Finding the Fourth Proportional to 17,361.43, 25,997.66 and 12,017.20

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Solution

The fourth proportional to 17,361.43, 25,997.66 and 12,017.20 is: 17,995.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,361.43 : 25,997.66 = 12,017.20 : x
  2. Step 2: Convert to fraction form
    17,361.43/25,997.66 = 12,017.20/x
  3. Step 3: Cross multiply
    17,361.43x = 25,997.66 × 12,017.20
  4. Step 4: Simplify right side
    17,361.43x = 312,418,954.67
  5. Step 5: Solve for x
    x = 312,418,954.67/17,361.43
  6. Step 6: Final answer
    x = 17,995.00

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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.