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Finding the Fourth Proportional to 50,969.80, 76,371.02 and 49,025.80

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Solution

The fourth proportional to 50,969.80, 76,371.02 and 49,025.80 is: 73,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,969.80 : 76,371.02 = 49,025.80 : x
  2. Step 2: Convert to fraction form
    50,969.80/76,371.02 = 49,025.80/x
  3. Step 3: Cross multiply
    50,969.80x = 76,371.02 × 49,025.80
  4. Step 4: Simplify right side
    50,969.80x = 3,744,150,352.32
  5. Step 5: Solve for x
    x = 3,744,150,352.32/50,969.80
  6. Step 6: Final answer
    x = 73,458.21

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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.