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Finding the Fourth Proportional to 39,994.54, 55,203.14 and 23,000.64

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Solution

The fourth proportional to 39,994.54, 55,203.14 and 23,000.64 is: 31,747.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,994.54 : 55,203.14 = 23,000.64 : x
  2. Step 2: Convert to fraction form
    39,994.54/55,203.14 = 23,000.64/x
  3. Step 3: Cross multiply
    39,994.54x = 55,203.14 × 23,000.64
  4. Step 4: Simplify right side
    39,994.54x = 1,269,707,550.01
  5. Step 5: Solve for x
    x = 1,269,707,550.01/39,994.54
  6. Step 6: Final answer
    x = 31,747.02

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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.