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Finding the Fourth Proportional to 13,395.91, 20,093.87 and 5,496.97

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Solution

The fourth proportional to 13,395.91, 20,093.87 and 5,496.97 is: 8,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.91 : 20,093.87 = 5,496.97 : x
  2. Step 2: Convert to fraction form
    13,395.91/20,093.87 = 5,496.97/x
  3. Step 3: Cross multiply
    13,395.91x = 20,093.87 × 5,496.97
  4. Step 4: Simplify right side
    13,395.91x = 110,455,400.57
  5. Step 5: Solve for x
    x = 110,455,400.57/13,395.91
  6. Step 6: Final answer
    x = 8,245.46

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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.