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Finding the Fourth Proportional to 36,894.67, 50,910.71 and 20,761.70

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Solution

The fourth proportional to 36,894.67, 50,910.71 and 20,761.70 is: 28,648.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,894.67 : 50,910.71 = 20,761.70 : x
  2. Step 2: Convert to fraction form
    36,894.67/50,910.71 = 20,761.70/x
  3. Step 3: Cross multiply
    36,894.67x = 50,910.71 × 20,761.70
  4. Step 4: Simplify right side
    36,894.67x = 1,056,992,685.16
  5. Step 5: Solve for x
    x = 1,056,992,685.16/36,894.67
  6. Step 6: Final answer
    x = 28,648.93

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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.