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Finding the Fourth Proportional to 11,818.44, 17,731.98 and 5,496.26

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Solution

The fourth proportional to 11,818.44, 17,731.98 and 5,496.26 is: 8,246.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.44 : 17,731.98 = 5,496.26 : x
  2. Step 2: Convert to fraction form
    11,818.44/17,731.98 = 5,496.26/x
  3. Step 3: Cross multiply
    11,818.44x = 17,731.98 × 5,496.26
  4. Step 4: Simplify right side
    11,818.44x = 97,459,483.73
  5. Step 5: Solve for x
    x = 97,459,483.73/11,818.44
  6. Step 6: Final answer
    x = 8,246.39

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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.