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Finding the Fourth Proportional to 11,583.51, 17,375.13 and 2,818.44

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Solution

The fourth proportional to 11,583.51, 17,375.13 and 2,818.44 is: 4,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.51 : 17,375.13 = 2,818.44 : x
  2. Step 2: Convert to fraction form
    11,583.51/17,375.13 = 2,818.44/x
  3. Step 3: Cross multiply
    11,583.51x = 17,375.13 × 2,818.44
  4. Step 4: Simplify right side
    11,583.51x = 48,970,761.40
  5. Step 5: Solve for x
    x = 48,970,761.40/11,583.51
  6. Step 6: Final answer
    x = 4,227.63

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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.