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Finding the Fourth Proportional to 8,536.81, 12,805.22 and 2,694.01

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Solution

The fourth proportional to 8,536.81, 12,805.22 and 2,694.01 is: 4,041.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536.81 : 12,805.22 = 2,694.01 : x
  2. Step 2: Convert to fraction form
    8,536.81/12,805.22 = 2,694.01/x
  3. Step 3: Cross multiply
    8,536.81x = 12,805.22 × 2,694.01
  4. Step 4: Simplify right side
    8,536.81x = 34,497,390.73
  5. Step 5: Solve for x
    x = 34,497,390.73/8,536.81
  6. Step 6: Final answer
    x = 4,041.02

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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.