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Finding the Fourth Proportional to 50,341.86, 69,469.97 and 27,680.67

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Solution

The fourth proportional to 50,341.86, 69,469.97 and 27,680.67 is: 38,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,341.86 : 69,469.97 = 27,680.67 : x
  2. Step 2: Convert to fraction form
    50,341.86/69,469.97 = 27,680.67/x
  3. Step 3: Cross multiply
    50,341.86x = 69,469.97 × 27,680.67
  4. Step 4: Simplify right side
    50,341.86x = 1,922,975,176.08
  5. Step 5: Solve for x
    x = 1,922,975,176.08/50,341.86
  6. Step 6: Final answer
    x = 38,198.33

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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.