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Finding the Fourth Proportional to 43,958.77, 65,948.96 and 12,794.29

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Solution

The fourth proportional to 43,958.77, 65,948.96 and 12,794.29 is: 19,194.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,958.77 : 65,948.96 = 12,794.29 : x
  2. Step 2: Convert to fraction form
    43,958.77/65,948.96 = 12,794.29/x
  3. Step 3: Cross multiply
    43,958.77x = 65,948.96 × 12,794.29
  4. Step 4: Simplify right side
    43,958.77x = 843,770,055.47
  5. Step 5: Solve for x
    x = 843,770,055.47/43,958.77
  6. Step 6: Final answer
    x = 19,194.58

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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.