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Finding the Fourth Proportional to 17,505.75, 26,245.67 and 9,185.43

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Solution

The fourth proportional to 17,505.75, 26,245.67 and 9,185.43 is: 13,771.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,505.75 : 26,245.67 = 9,185.43 : x
  2. Step 2: Convert to fraction form
    17,505.75/26,245.67 = 9,185.43/x
  3. Step 3: Cross multiply
    17,505.75x = 26,245.67 × 9,185.43
  4. Step 4: Simplify right side
    17,505.75x = 241,077,718.66
  5. Step 5: Solve for x
    x = 241,077,718.66/17,505.75
  6. Step 6: Final answer
    x = 13,771.34

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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.