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Finding the Fourth Proportional to 40,343.41, 55,673.11 and 22,438.03

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Solution

The fourth proportional to 40,343.41, 55,673.11 and 22,438.03 is: 30,964.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,343.41 : 55,673.11 = 22,438.03 : x
  2. Step 2: Convert to fraction form
    40,343.41/55,673.11 = 22,438.03/x
  3. Step 3: Cross multiply
    40,343.41x = 55,673.11 × 22,438.03
  4. Step 4: Simplify right side
    40,343.41x = 1,249,194,912.37
  5. Step 5: Solve for x
    x = 1,249,194,912.37/40,343.41
  6. Step 6: Final answer
    x = 30,964.04

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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.