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Finding the Fourth Proportional to 8,822.39, 12,173.22 and 5,992.02

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Solution

The fourth proportional to 8,822.39, 12,173.22 and 5,992.02 is: 8,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.39 : 12,173.22 = 5,992.02 : x
  2. Step 2: Convert to fraction form
    8,822.39/12,173.22 = 5,992.02/x
  3. Step 3: Cross multiply
    8,822.39x = 12,173.22 × 5,992.02
  4. Step 4: Simplify right side
    8,822.39x = 72,942,177.70
  5. Step 5: Solve for x
    x = 72,942,177.70/8,822.39
  6. Step 6: Final answer
    x = 8,267.85

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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.