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Finding the Fourth Proportional to 26,751.96, 36,879.24 and 18,769.44

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Solution

The fourth proportional to 26,751.96, 36,879.24 and 18,769.44 is: 25,874.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,751.96 : 36,879.24 = 18,769.44 : x
  2. Step 2: Convert to fraction form
    26,751.96/36,879.24 = 18,769.44/x
  3. Step 3: Cross multiply
    26,751.96x = 36,879.24 × 18,769.44
  4. Step 4: Simplify right side
    26,751.96x = 692,202,682.43
  5. Step 5: Solve for x
    x = 692,202,682.43/26,751.96
  6. Step 6: Final answer
    x = 25,874.84

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1.5x scale

Why These Related Problems?

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