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Finding the Fourth Proportional to 8,694.99, 13,044.38 and 2,851.38

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Solution

The fourth proportional to 8,694.99, 13,044.38 and 2,851.38 is: 4,277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.99 : 13,044.38 = 2,851.38 : x
  2. Step 2: Convert to fraction form
    8,694.99/13,044.38 = 2,851.38/x
  3. Step 3: Cross multiply
    8,694.99x = 13,044.38 × 2,851.38
  4. Step 4: Simplify right side
    8,694.99x = 37,194,516.86
  5. Step 5: Solve for x
    x = 37,194,516.86/8,694.99
  6. Step 6: Final answer
    x = 4,277.69

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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.