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Finding the Fourth Proportional to 16,201.50, 22,358.07 and 8,749.50

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Solution

The fourth proportional to 16,201.50, 22,358.07 and 8,749.50 is: 12,074.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,201.50 : 22,358.07 = 8,749.50 : x
  2. Step 2: Convert to fraction form
    16,201.50/22,358.07 = 8,749.50/x
  3. Step 3: Cross multiply
    16,201.50x = 22,358.07 × 8,749.50
  4. Step 4: Simplify right side
    16,201.50x = 195,621,933.47
  5. Step 5: Solve for x
    x = 195,621,933.47/16,201.50
  6. Step 6: Final answer
    x = 12,074.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.