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Finding the Fourth Proportional to 40,571.34, 55,986.44 and 22,662.78

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Solution

The fourth proportional to 40,571.34, 55,986.44 and 22,662.78 is: 31,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,571.34 : 55,986.44 = 22,662.78 : x
  2. Step 2: Convert to fraction form
    40,571.34/55,986.44 = 22,662.78/x
  3. Step 3: Cross multiply
    40,571.34x = 55,986.44 × 22,662.78
  4. Step 4: Simplify right side
    40,571.34x = 1,268,808,372.70
  5. Step 5: Solve for x
    x = 1,268,808,372.70/40,571.34
  6. Step 6: Final answer
    x = 31,273.51

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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.