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Finding the Fourth Proportional to 44,979.54, 67,469.54 and 18,684.31

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Solution

The fourth proportional to 44,979.54, 67,469.54 and 18,684.31 is: 28,026.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,979.54 : 67,469.54 = 18,684.31 : x
  2. Step 2: Convert to fraction form
    44,979.54/67,469.54 = 18,684.31/x
  3. Step 3: Cross multiply
    44,979.54x = 67,469.54 × 18,684.31
  4. Step 4: Simplify right side
    44,979.54x = 1,260,621,800.92
  5. Step 5: Solve for x
    x = 1,260,621,800.92/44,979.54
  6. Step 6: Final answer
    x = 28,026.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.