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Finding the Fourth Proportional to 33,412.87, 50,084.19 and 12,339.48

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Solution

The fourth proportional to 33,412.87, 50,084.19 and 12,339.48 is: 18,496.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,412.87 : 50,084.19 = 12,339.48 : x
  2. Step 2: Convert to fraction form
    33,412.87/50,084.19 = 12,339.48/x
  3. Step 3: Cross multiply
    33,412.87x = 50,084.19 × 12,339.48
  4. Step 4: Simplify right side
    33,412.87x = 618,012,860.82
  5. Step 5: Solve for x
    x = 618,012,860.82/33,412.87
  6. Step 6: Final answer
    x = 18,496.25

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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.