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Finding the Fourth Proportional to 11,169.68, 16,754.65 and 2,849.68

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Solution

The fourth proportional to 11,169.68, 16,754.65 and 2,849.68 is: 4,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.68 : 16,754.65 = 2,849.68 : x
  2. Step 2: Convert to fraction form
    11,169.68/16,754.65 = 2,849.68/x
  3. Step 3: Cross multiply
    11,169.68x = 16,754.65 × 2,849.68
  4. Step 4: Simplify right side
    11,169.68x = 47,745,391.01
  5. Step 5: Solve for x
    x = 47,745,391.01/11,169.68
  6. Step 6: Final answer
    x = 4,274.55

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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.