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Finding the Fourth Proportional to 8,696.68, 13,044.54 and 6,359.08

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Solution

The fourth proportional to 8,696.68, 13,044.54 and 6,359.08 is: 9,538.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.68 : 13,044.54 = 6,359.08 : x
  2. Step 2: Convert to fraction form
    8,696.68/13,044.54 = 6,359.08/x
  3. Step 3: Cross multiply
    8,696.68x = 13,044.54 × 6,359.08
  4. Step 4: Simplify right side
    8,696.68x = 82,951,273.42
  5. Step 5: Solve for x
    x = 82,951,273.42/8,696.68
  6. Step 6: Final answer
    x = 9,538.27

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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.