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Finding the Fourth Proportional to 43,906.44, 65,695.62 and 26,979.06

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Solution

The fourth proportional to 43,906.44, 65,695.62 and 26,979.06 is: 40,367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,906.44 : 65,695.62 = 26,979.06 : x
  2. Step 2: Convert to fraction form
    43,906.44/65,695.62 = 26,979.06/x
  3. Step 3: Cross multiply
    43,906.44x = 65,695.62 × 26,979.06
  4. Step 4: Simplify right side
    43,906.44x = 1,772,406,073.72
  5. Step 5: Solve for x
    x = 1,772,406,073.72/43,906.44
  6. Step 6: Final answer
    x = 40,367.79

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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.