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Finding the Fourth Proportional to 13,394.91, 20,092.37 and 5,495.97

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Solution

The fourth proportional to 13,394.91, 20,092.37 and 5,495.97 is: 8,243.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.91 : 20,092.37 = 5,495.97 : x
  2. Step 2: Convert to fraction form
    13,394.91/20,092.37 = 5,495.97/x
  3. Step 3: Cross multiply
    13,394.91x = 20,092.37 × 5,495.97
  4. Step 4: Simplify right side
    13,394.91x = 110,427,062.75
  5. Step 5: Solve for x
    x = 110,427,062.75/13,394.91
  6. Step 6: Final answer
    x = 8,243.96

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1.5x scale

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.