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Finding the Fourth Proportional to 15,131, 20,882.52 and 8,843

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Solution

The fourth proportional to 15,131, 20,882.52 and 8,843 is: 12,204.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131 : 20,882.52 = 8,843 : x
  2. Step 2: Convert to fraction form
    15,131/20,882.52 = 8,843/x
  3. Step 3: Cross multiply
    15,131x = 20,882.52 × 8,843
  4. Step 4: Simplify right side
    15,131x = 184,664,124.36
  5. Step 5: Solve for x
    x = 184,664,124.36/15,131
  6. Step 6: Final answer
    x = 12,204.36

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