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Finding the Fourth Proportional to 17,267.98, 25,867.67 and 13,305.49

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Solution

The fourth proportional to 17,267.98, 25,867.67 and 13,305.49 is: 19,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,267.98 : 25,867.67 = 13,305.49 : x
  2. Step 2: Convert to fraction form
    17,267.98/25,867.67 = 13,305.49/x
  3. Step 3: Cross multiply
    17,267.98x = 25,867.67 × 13,305.49
  4. Step 4: Simplify right side
    17,267.98x = 344,181,993.10
  5. Step 5: Solve for x
    x = 344,181,993.10/17,267.98
  6. Step 6: Final answer
    x = 19,931.81

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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.