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Finding the Fourth Proportional to 8,555.00, 12,832.87 and 2,711.48

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Solution

The fourth proportional to 8,555.00, 12,832.87 and 2,711.48 is: 4,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.00 : 12,832.87 = 2,711.48 : x
  2. Step 2: Convert to fraction form
    8,555.00/12,832.87 = 2,711.48/x
  3. Step 3: Cross multiply
    8,555.00x = 12,832.87 × 2,711.48
  4. Step 4: Simplify right side
    8,555.00x = 34,796,095.65
  5. Step 5: Solve for x
    x = 34,796,095.65/8,555.00
  6. Step 6: Final answer
    x = 4,067.34

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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.