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Finding the Fourth Proportional to 33,409.93, 50,115.57 and 12,339.11

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Solution

The fourth proportional to 33,409.93, 50,115.57 and 12,339.11 is: 18,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,409.93 : 50,115.57 = 12,339.11 : x
  2. Step 2: Convert to fraction form
    33,409.93/50,115.57 = 12,339.11/x
  3. Step 3: Cross multiply
    33,409.93x = 50,115.57 × 12,339.11
  4. Step 4: Simplify right side
    33,409.93x = 618,381,530.94
  5. Step 5: Solve for x
    x = 618,381,530.94/33,409.93
  6. Step 6: Final answer
    x = 18,508.91

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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.