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Finding the Fourth Proportional to 18,573.00, 27,864 and 10,680.56

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Solution

The fourth proportional to 18,573.00, 27,864 and 10,680.56 is: 16,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.00 : 27,864 = 10,680.56 : x
  2. Step 2: Convert to fraction form
    18,573.00/27,864 = 10,680.56/x
  3. Step 3: Cross multiply
    18,573.00x = 27,864 × 10,680.56
  4. Step 4: Simplify right side
    18,573.00x = 297,603,089.01
  5. Step 5: Solve for x
    x = 297,603,089.01/18,573.00
  6. Step 6: Final answer
    x = 16,023.43

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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.