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Finding the Fourth Proportional to 50,161.86, 75,245.85 and 16,879.11

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Solution

The fourth proportional to 50,161.86, 75,245.85 and 16,879.11 is: 25,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,161.86 : 75,245.85 = 16,879.11 : x
  2. Step 2: Convert to fraction form
    50,161.86/75,245.85 = 16,879.11/x
  3. Step 3: Cross multiply
    50,161.86x = 75,245.85 × 16,879.11
  4. Step 4: Simplify right side
    50,161.86x = 1,270,082,979.19
  5. Step 5: Solve for x
    x = 1,270,082,979.19/50,161.86
  6. Step 6: Final answer
    x = 25,319.69

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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.