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Finding the Fourth Proportional to 11,959.56, 17,940.60 and 4,061.88

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Solution

The fourth proportional to 11,959.56, 17,940.60 and 4,061.88 is: 6,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.56 : 17,940.60 = 4,061.88 : x
  2. Step 2: Convert to fraction form
    11,959.56/17,940.60 = 4,061.88/x
  3. Step 3: Cross multiply
    11,959.56x = 17,940.60 × 4,061.88
  4. Step 4: Simplify right side
    11,959.56x = 72,872,564.33
  5. Step 5: Solve for x
    x = 72,872,564.33/11,959.56
  6. Step 6: Final answer
    x = 6,093.25

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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.