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Finding the Fourth Proportional to 17,245.86, 25,857.69 and 7,257.08

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Solution

The fourth proportional to 17,245.86, 25,857.69 and 7,257.08 is: 10,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,245.86 : 25,857.69 = 7,257.08 : x
  2. Step 2: Convert to fraction form
    17,245.86/25,857.69 = 7,257.08/x
  3. Step 3: Cross multiply
    17,245.86x = 25,857.69 × 7,257.08
  4. Step 4: Simplify right side
    17,245.86x = 187,651,331.12
  5. Step 5: Solve for x
    x = 187,651,331.12/17,245.86
  6. Step 6: Final answer
    x = 10,880.95

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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.