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Finding the Fourth Proportional to 11,891.03, 17,837.46 and 3,570.41

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Solution

The fourth proportional to 11,891.03, 17,837.46 and 3,570.41 is: 5,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.03 : 17,837.46 = 3,570.41 : x
  2. Step 2: Convert to fraction form
    11,891.03/17,837.46 = 3,570.41/x
  3. Step 3: Cross multiply
    11,891.03x = 17,837.46 × 3,570.41
  4. Step 4: Simplify right side
    11,891.03x = 63,687,090.15
  5. Step 5: Solve for x
    x = 63,687,090.15/11,891.03
  6. Step 6: Final answer
    x = 5,355.90

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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.