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Finding the Fourth Proportional to 7,959.52, 11,939.01 and 2,765.26

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Solution

The fourth proportional to 7,959.52, 11,939.01 and 2,765.26 is: 4,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.52 : 11,939.01 = 2,765.26 : x
  2. Step 2: Convert to fraction form
    7,959.52/11,939.01 = 2,765.26/x
  3. Step 3: Cross multiply
    7,959.52x = 11,939.01 × 2,765.26
  4. Step 4: Simplify right side
    7,959.52x = 33,014,466.79
  5. Step 5: Solve for x
    x = 33,014,466.79/7,959.52
  6. Step 6: Final answer
    x = 4,147.80

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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.