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Finding the Fourth Proportional to 32,694.59, 49,049.15 and 11,918.09

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Solution

The fourth proportional to 32,694.59, 49,049.15 and 11,918.09 is: 17,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,694.59 : 49,049.15 = 11,918.09 : x
  2. Step 2: Convert to fraction form
    32,694.59/49,049.15 = 11,918.09/x
  3. Step 3: Cross multiply
    32,694.59x = 49,049.15 × 11,918.09
  4. Step 4: Simplify right side
    32,694.59x = 584,572,184.12
  5. Step 5: Solve for x
    x = 584,572,184.12/32,694.59
  6. Step 6: Final answer
    x = 17,879.78

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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.