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Finding the Fourth Proportional to 11,244.78, 16,867.20 and 6,250.26

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Solution

The fourth proportional to 11,244.78, 16,867.20 and 6,250.26 is: 9,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,244.78 : 16,867.20 = 6,250.26 : x
  2. Step 2: Convert to fraction form
    11,244.78/16,867.20 = 6,250.26/x
  3. Step 3: Cross multiply
    11,244.78x = 16,867.20 × 6,250.26
  4. Step 4: Simplify right side
    11,244.78x = 105,424,385.47
  5. Step 5: Solve for x
    x = 105,424,385.47/11,244.78
  6. Step 6: Final answer
    x = 9,375.41

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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.