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Finding the Fourth Proportional to 36,694.86, 55,042.32 and 8,992.86

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Solution

The fourth proportional to 36,694.86, 55,042.32 and 8,992.86 is: 13,489.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,694.86 : 55,042.32 = 8,992.86 : x
  2. Step 2: Convert to fraction form
    36,694.86/55,042.32 = 8,992.86/x
  3. Step 3: Cross multiply
    36,694.86x = 55,042.32 × 8,992.86
  4. Step 4: Simplify right side
    36,694.86x = 494,987,877.84
  5. Step 5: Solve for x
    x = 494,987,877.84/36,694.86
  6. Step 6: Final answer
    x = 13,489.30

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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.