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Finding the Fourth Proportional to 14,627, 20,185.26 and 8,003

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Solution

The fourth proportional to 14,627, 20,185.26 and 8,003 is: 11,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,627 : 20,185.26 = 8,003 : x
  2. Step 2: Convert to fraction form
    14,627/20,185.26 = 8,003/x
  3. Step 3: Cross multiply
    14,627x = 20,185.26 × 8,003
  4. Step 4: Simplify right side
    14,627x = 161,542,635.78
  5. Step 5: Solve for x
    x = 161,542,635.78/14,627
  6. Step 6: Final answer
    x = 11,044.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.