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Finding the Fourth Proportional to 11,169.48, 16,755.03 and 3,771.48

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Solution

The fourth proportional to 11,169.48, 16,755.03 and 3,771.48 is: 5,657.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.48 : 16,755.03 = 3,771.48 : x
  2. Step 2: Convert to fraction form
    11,169.48/16,755.03 = 3,771.48/x
  3. Step 3: Cross multiply
    11,169.48x = 16,755.03 × 3,771.48
  4. Step 4: Simplify right side
    11,169.48x = 63,191,260.54
  5. Step 5: Solve for x
    x = 63,191,260.54/11,169.48
  6. Step 6: Final answer
    x = 5,657.49

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1.5x scale

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.