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Finding the Fourth Proportional to 40,132.68, 55,383.04 and 22,227.68

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Solution

The fourth proportional to 40,132.68, 55,383.04 and 22,227.68 is: 30,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,132.68 : 55,383.04 = 22,227.68 : x
  2. Step 2: Convert to fraction form
    40,132.68/55,383.04 = 22,227.68/x
  3. Step 3: Cross multiply
    40,132.68x = 55,383.04 × 22,227.68
  4. Step 4: Simplify right side
    40,132.68x = 1,231,036,490.55
  5. Step 5: Solve for x
    x = 1,231,036,490.55/40,132.68
  6. Step 6: Final answer
    x = 30,674.17

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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.