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Finding the Fourth Proportional to 11,943.88, 17,912.94 and 3,735.88

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Solution

The fourth proportional to 11,943.88, 17,912.94 and 3,735.88 is: 5,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.88 : 17,912.94 = 3,735.88 : x
  2. Step 2: Convert to fraction form
    11,943.88/17,912.94 = 3,735.88/x
  3. Step 3: Cross multiply
    11,943.88x = 17,912.94 × 3,735.88
  4. Step 4: Simplify right side
    11,943.88x = 66,920,594.29
  5. Step 5: Solve for x
    x = 66,920,594.29/11,943.88
  6. Step 6: Final answer
    x = 5,602.92

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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.