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Finding the Fourth Proportional to 8,596.71, 12,896.96 and 2,753.91

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Solution

The fourth proportional to 8,596.71, 12,896.96 and 2,753.91 is: 4,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,596.71 : 12,896.96 = 2,753.91 : x
  2. Step 2: Convert to fraction form
    8,596.71/12,896.96 = 2,753.91/x
  3. Step 3: Cross multiply
    8,596.71x = 12,896.96 × 2,753.91
  4. Step 4: Simplify right side
    8,596.71x = 35,517,053.34
  5. Step 5: Solve for x
    x = 35,517,053.34/8,596.71
  6. Step 6: Final answer
    x = 4,131.47

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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.