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Finding the Fourth Proportional to 11,314.44, 16,981.02 and 5,771.88

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Solution

The fourth proportional to 11,314.44, 16,981.02 and 5,771.88 is: 8,662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.44 : 16,981.02 = 5,771.88 : x
  2. Step 2: Convert to fraction form
    11,314.44/16,981.02 = 5,771.88/x
  3. Step 3: Cross multiply
    11,314.44x = 16,981.02 × 5,771.88
  4. Step 4: Simplify right side
    11,314.44x = 98,012,409.72
  5. Step 5: Solve for x
    x = 98,012,409.72/11,314.44
  6. Step 6: Final answer
    x = 8,662.59

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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.