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Finding the Fourth Proportional to 18,604.68, 27,906.66 and 5,456.76

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Solution

The fourth proportional to 18,604.68, 27,906.66 and 5,456.76 is: 8,185.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.68 : 27,906.66 = 5,456.76 : x
  2. Step 2: Convert to fraction form
    18,604.68/27,906.66 = 5,456.76/x
  3. Step 3: Cross multiply
    18,604.68x = 27,906.66 × 5,456.76
  4. Step 4: Simplify right side
    18,604.68x = 152,279,946.02
  5. Step 5: Solve for x
    x = 152,279,946.02/18,604.68
  6. Step 6: Final answer
    x = 8,185.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.