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Finding the Fourth Proportional to 16,014.89, 22,101.39 and 8,940.89

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Solution

The fourth proportional to 16,014.89, 22,101.39 and 8,940.89 is: 12,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,014.89 : 22,101.39 = 8,940.89 : x
  2. Step 2: Convert to fraction form
    16,014.89/22,101.39 = 8,940.89/x
  3. Step 3: Cross multiply
    16,014.89x = 22,101.39 × 8,940.89
  4. Step 4: Simplify right side
    16,014.89x = 197,606,152.09
  5. Step 5: Solve for x
    x = 197,606,152.09/16,014.89
  6. Step 6: Final answer
    x = 12,338.90

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Why These Related Problems?

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