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Finding the Fourth Proportional to 23,447.80, 35,187.90 and 16,879.60

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Solution

The fourth proportional to 23,447.80, 35,187.90 and 16,879.60 is: 25,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,447.80 : 35,187.90 = 16,879.60 : x
  2. Step 2: Convert to fraction form
    23,447.80/35,187.90 = 16,879.60/x
  3. Step 3: Cross multiply
    23,447.80x = 35,187.90 × 16,879.60
  4. Step 4: Simplify right side
    23,447.80x = 593,957,676.84
  5. Step 5: Solve for x
    x = 593,957,676.84/23,447.80
  6. Step 6: Final answer
    x = 25,331.06

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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.