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Finding the Fourth Proportional to 40,182.87, 55,450.17 and 22,276.83

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Solution

The fourth proportional to 40,182.87, 55,450.17 and 22,276.83 is: 30,740.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,182.87 : 55,450.17 = 22,276.83 : x
  2. Step 2: Convert to fraction form
    40,182.87/55,450.17 = 22,276.83/x
  3. Step 3: Cross multiply
    40,182.87x = 55,450.17 × 22,276.83
  4. Step 4: Simplify right side
    40,182.87x = 1,235,254,010.56
  5. Step 5: Solve for x
    x = 1,235,254,010.56/40,182.87
  6. Step 6: Final answer
    x = 30,740.81

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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.