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Finding the Fourth Proportional to 23,879.88, 35,836.20 and 12,201.12

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Solution

The fourth proportional to 23,879.88, 35,836.20 and 12,201.12 is: 18,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,879.88 : 35,836.20 = 12,201.12 : x
  2. Step 2: Convert to fraction form
    23,879.88/35,836.20 = 12,201.12/x
  3. Step 3: Cross multiply
    23,879.88x = 35,836.20 × 12,201.12
  4. Step 4: Simplify right side
    23,879.88x = 437,241,776.54
  5. Step 5: Solve for x
    x = 437,241,776.54/23,879.88
  6. Step 6: Final answer
    x = 18,310.05

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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.