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Finding the Fourth Proportional to 44,936.61, 67,405.11 and 11,654.31

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Solution

The fourth proportional to 44,936.61, 67,405.11 and 11,654.31 is: 17,481.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,936.61 : 67,405.11 = 11,654.31 : x
  2. Step 2: Convert to fraction form
    44,936.61/67,405.11 = 11,654.31/x
  3. Step 3: Cross multiply
    44,936.61x = 67,405.11 × 11,654.31
  4. Step 4: Simplify right side
    44,936.61x = 785,560,047.52
  5. Step 5: Solve for x
    x = 785,560,047.52/44,936.61
  6. Step 6: Final answer
    x = 17,481.52

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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.