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Finding the Fourth Proportional to 8,694.53, 13,042.80 and 3,150.48

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Solution

The fourth proportional to 8,694.53, 13,042.80 and 3,150.48 is: 4,726.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.53 : 13,042.80 = 3,150.48 : x
  2. Step 2: Convert to fraction form
    8,694.53/13,042.80 = 3,150.48/x
  3. Step 3: Cross multiply
    8,694.53x = 13,042.80 × 3,150.48
  4. Step 4: Simplify right side
    8,694.53x = 41,091,080.54
  5. Step 5: Solve for x
    x = 41,091,080.54/8,694.53
  6. Step 6: Final answer
    x = 4,726.09

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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.