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Finding the Fourth Proportional to 13,745.52, 20,628.65 and 10,057.27

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Solution

The fourth proportional to 13,745.52, 20,628.65 and 10,057.27 is: 15,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745.52 : 20,628.65 = 10,057.27 : x
  2. Step 2: Convert to fraction form
    13,745.52/20,628.65 = 10,057.27/x
  3. Step 3: Cross multiply
    13,745.52x = 20,628.65 × 10,057.27
  4. Step 4: Simplify right side
    13,745.52x = 207,467,835.98
  5. Step 5: Solve for x
    x = 207,467,835.98/13,745.52
  6. Step 6: Final answer
    x = 15,093.48

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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.