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Finding the Fourth Proportional to 16,059.76, 22,163.59 and 8,889.98

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Solution

The fourth proportional to 16,059.76, 22,163.59 and 8,889.98 is: 12,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,059.76 : 22,163.59 = 8,889.98 : x
  2. Step 2: Convert to fraction form
    16,059.76/22,163.59 = 8,889.98/x
  3. Step 3: Cross multiply
    16,059.76x = 22,163.59 × 8,889.98
  4. Step 4: Simplify right side
    16,059.76x = 197,033,993.46
  5. Step 5: Solve for x
    x = 197,033,993.46/16,059.76
  6. Step 6: Final answer
    x = 12,268.80

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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.