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Finding the Fourth Proportional to 33,661.78, 50,492.73 and 12,600.97

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Solution

The fourth proportional to 33,661.78, 50,492.73 and 12,600.97 is: 18,901.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,661.78 : 50,492.73 = 12,600.97 : x
  2. Step 2: Convert to fraction form
    33,661.78/50,492.73 = 12,600.97/x
  3. Step 3: Cross multiply
    33,661.78x = 50,492.73 × 12,600.97
  4. Step 4: Simplify right side
    33,661.78x = 636,257,296.97
  5. Step 5: Solve for x
    x = 636,257,296.97/33,661.78
  6. Step 6: Final answer
    x = 18,901.48

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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.