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Finding the Fourth Proportional to 13,761.59, 18,984.04 and 8,092.73

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Solution

The fourth proportional to 13,761.59, 18,984.04 and 8,092.73 is: 11,163.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.59 : 18,984.04 = 8,092.73 : x
  2. Step 2: Convert to fraction form
    13,761.59/18,984.04 = 8,092.73/x
  3. Step 3: Cross multiply
    13,761.59x = 18,984.04 × 8,092.73
  4. Step 4: Simplify right side
    13,761.59x = 153,632,615.11
  5. Step 5: Solve for x
    x = 153,632,615.11/13,761.59
  6. Step 6: Final answer
    x = 11,163.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.