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Finding the Fourth Proportional to 39,400.43, 54,370.44 and 22,402.37

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Solution

The fourth proportional to 39,400.43, 54,370.44 and 22,402.37 is: 30,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,400.43 : 54,370.44 = 22,402.37 : x
  2. Step 2: Convert to fraction form
    39,400.43/54,370.44 = 22,402.37/x
  3. Step 3: Cross multiply
    39,400.43x = 54,370.44 × 22,402.37
  4. Step 4: Simplify right side
    39,400.43x = 1,218,026,849.87
  5. Step 5: Solve for x
    x = 1,218,026,849.87/39,400.43
  6. Step 6: Final answer
    x = 30,914.05

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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.