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Finding the Fourth Proportional to 50,993.44, 76,437.60 and 36,918.60

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Solution

The fourth proportional to 50,993.44, 76,437.60 and 36,918.60 is: 55,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,993.44 : 76,437.60 = 36,918.60 : x
  2. Step 2: Convert to fraction form
    50,993.44/76,437.60 = 36,918.60/x
  3. Step 3: Cross multiply
    50,993.44x = 76,437.60 × 36,918.60
  4. Step 4: Simplify right side
    50,993.44x = 2,821,969,179.36
  5. Step 5: Solve for x
    x = 2,821,969,179.36/50,993.44
  6. Step 6: Final answer
    x = 55,339.85

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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.