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Finding the Fourth Proportional to 13,025.94, 17,974.59 and 7,361.12

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Solution

The fourth proportional to 13,025.94, 17,974.59 and 7,361.12 is: 10,157.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.94 : 17,974.59 = 7,361.12 : x
  2. Step 2: Convert to fraction form
    13,025.94/17,974.59 = 7,361.12/x
  3. Step 3: Cross multiply
    13,025.94x = 17,974.59 × 7,361.12
  4. Step 4: Simplify right side
    13,025.94x = 132,313,131.27
  5. Step 5: Solve for x
    x = 132,313,131.27/13,025.94
  6. Step 6: Final answer
    x = 10,157.66

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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.