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Finding the Fourth Proportional to 33,900.30, 50,844.66 and 8,940.59

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Solution

The fourth proportional to 33,900.30, 50,844.66 and 8,940.59 is: 13,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,900.30 : 50,844.66 = 8,940.59 : x
  2. Step 2: Convert to fraction form
    33,900.30/50,844.66 = 8,940.59/x
  3. Step 3: Cross multiply
    33,900.30x = 50,844.66 × 8,940.59
  4. Step 4: Simplify right side
    33,900.30x = 454,581,258.75
  5. Step 5: Solve for x
    x = 454,581,258.75/33,900.30
  6. Step 6: Final answer
    x = 13,409.36

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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.