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Finding the Fourth Proportional to 8,554.51, 12,832.22 and 2,711.57

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Solution

The fourth proportional to 8,554.51, 12,832.22 and 2,711.57 is: 4,067.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.51 : 12,832.22 = 2,711.57 : x
  2. Step 2: Convert to fraction form
    8,554.51/12,832.22 = 2,711.57/x
  3. Step 3: Cross multiply
    8,554.51x = 12,832.22 × 2,711.57
  4. Step 4: Simplify right side
    8,554.51x = 34,795,481.31
  5. Step 5: Solve for x
    x = 34,795,481.31/8,554.51
  6. Step 6: Final answer
    x = 4,067.50

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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.