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Finding the Fourth Proportional to 33,089.62, 49,634.28 and 8,129.46

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Solution

The fourth proportional to 33,089.62, 49,634.28 and 8,129.46 is: 12,194.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,089.62 : 49,634.28 = 8,129.46 : x
  2. Step 2: Convert to fraction form
    33,089.62/49,634.28 = 8,129.46/x
  3. Step 3: Cross multiply
    33,089.62x = 49,634.28 × 8,129.46
  4. Step 4: Simplify right side
    33,089.62x = 403,499,893.89
  5. Step 5: Solve for x
    x = 403,499,893.89/33,089.62
  6. Step 6: Final answer
    x = 12,194.15

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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.