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Finding the Fourth Proportional to 11,243.47, 16,861.25 and 3,745.00

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Solution

The fourth proportional to 11,243.47, 16,861.25 and 3,745.00 is: 5,616.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.47 : 16,861.25 = 3,745.00 : x
  2. Step 2: Convert to fraction form
    11,243.47/16,861.25 = 3,745.00/x
  3. Step 3: Cross multiply
    11,243.47x = 16,861.25 × 3,745.00
  4. Step 4: Simplify right side
    11,243.47x = 63,145,278.22
  5. Step 5: Solve for x
    x = 63,145,278.22/11,243.47
  6. Step 6: Final answer
    x = 5,616.17

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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.