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Finding the Fourth Proportional to 33,661.98, 50,494.26 and 12,599.81

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Solution

The fourth proportional to 33,661.98, 50,494.26 and 12,599.81 is: 18,900.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,661.98 : 50,494.26 = 12,599.81 : x
  2. Step 2: Convert to fraction form
    33,661.98/50,494.26 = 12,599.81/x
  3. Step 3: Cross multiply
    33,661.98x = 50,494.26 × 12,599.81
  4. Step 4: Simplify right side
    33,661.98x = 636,217,892.80
  5. Step 5: Solve for x
    x = 636,217,892.80/33,661.98
  6. Step 6: Final answer
    x = 18,900.19

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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.