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Finding the Fourth Proportional to 69,235.36, 95,541.73 and 39,020.54

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Solution

The fourth proportional to 69,235.36, 95,541.73 and 39,020.54 is: 53,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,235.36 : 95,541.73 = 39,020.54 : x
  2. Step 2: Convert to fraction form
    69,235.36/95,541.73 = 39,020.54/x
  3. Step 3: Cross multiply
    69,235.36x = 95,541.73 × 39,020.54
  4. Step 4: Simplify right side
    69,235.36x = 3,728,089,321.87
  5. Step 5: Solve for x
    x = 3,728,089,321.87/69,235.36
  6. Step 6: Final answer
    x = 53,846.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.