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Finding the Fourth Proportional to 11,793.57, 16,240.01 and 11,531.64

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Solution

The fourth proportional to 11,793.57, 16,240.01 and 11,531.64 is: 15,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.57 : 16,240.01 = 11,531.64 : x
  2. Step 2: Convert to fraction form
    11,793.57/16,240.01 = 11,531.64/x
  3. Step 3: Cross multiply
    11,793.57x = 16,240.01 × 11,531.64
  4. Step 4: Simplify right side
    11,793.57x = 187,273,995.67
  5. Step 5: Solve for x
    x = 187,273,995.67/11,793.57
  6. Step 6: Final answer
    x = 15,879.33

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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.