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Finding the Fourth Proportional to 16,222.98, 22,389.03 and 9,150.87

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Solution

The fourth proportional to 16,222.98, 22,389.03 and 9,150.87 is: 12,628.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,222.98 : 22,389.03 = 9,150.87 : x
  2. Step 2: Convert to fraction form
    16,222.98/22,389.03 = 9,150.87/x
  3. Step 3: Cross multiply
    16,222.98x = 22,389.03 × 9,150.87
  4. Step 4: Simplify right side
    16,222.98x = 204,879,102.96
  5. Step 5: Solve for x
    x = 204,879,102.96/16,222.98
  6. Step 6: Final answer
    x = 12,628.94

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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.