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Finding the Fourth Proportional to 43,930.78, 65,797.72 and 26,364.31

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Solution

The fourth proportional to 43,930.78, 65,797.72 and 26,364.31 is: 39,487.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,930.78 : 65,797.72 = 26,364.31 : x
  2. Step 2: Convert to fraction form
    43,930.78/65,797.72 = 26,364.31/x
  3. Step 3: Cross multiply
    43,930.78x = 65,797.72 × 26,364.31
  4. Step 4: Simplify right side
    43,930.78x = 1,734,711,487.37
  5. Step 5: Solve for x
    x = 1,734,711,487.37/43,930.78
  6. Step 6: Final answer
    x = 39,487.38

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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.