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Finding the Fourth Proportional to 11,169, 16,759.26 and 5,697

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Solution

The fourth proportional to 11,169, 16,759.26 and 5,697 is: 8,548.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169 : 16,759.26 = 5,697 : x
  2. Step 2: Convert to fraction form
    11,169/16,759.26 = 5,697/x
  3. Step 3: Cross multiply
    11,169x = 16,759.26 × 5,697
  4. Step 4: Simplify right side
    11,169x = 95,477,504.22
  5. Step 5: Solve for x
    x = 95,477,504.22/11,169
  6. Step 6: Final answer
    x = 8,548.44

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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.