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Finding the Fourth Proportional to 36,842.54, 50,843.86 and 20,926.04

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Solution

The fourth proportional to 36,842.54, 50,843.86 and 20,926.04 is: 28,878.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,842.54 : 50,843.86 = 20,926.04 : x
  2. Step 2: Convert to fraction form
    36,842.54/50,843.86 = 20,926.04/x
  3. Step 3: Cross multiply
    36,842.54x = 50,843.86 × 20,926.04
  4. Step 4: Simplify right side
    36,842.54x = 1,063,960,393.90
  5. Step 5: Solve for x
    x = 1,063,960,393.90/36,842.54
  6. Step 6: Final answer
    x = 28,878.59

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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.