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Finding the Fourth Proportional to 18,350.60, 25,327.86 and 12,063.56

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Solution

The fourth proportional to 18,350.60, 25,327.86 and 12,063.56 is: 16,650.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.60 : 25,327.86 = 12,063.56 : x
  2. Step 2: Convert to fraction form
    18,350.60/25,327.86 = 12,063.56/x
  3. Step 3: Cross multiply
    18,350.60x = 25,327.86 × 12,063.56
  4. Step 4: Simplify right side
    18,350.60x = 305,544,158.78
  5. Step 5: Solve for x
    x = 305,544,158.78/18,350.60
  6. Step 6: Final answer
    x = 16,650.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.