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Finding the Fourth Proportional to 33,355.40, 50,008.80 and 13,623.80

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Solution

The fourth proportional to 33,355.40, 50,008.80 and 13,623.80 is: 20,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,355.40 : 50,008.80 = 13,623.80 : x
  2. Step 2: Convert to fraction form
    33,355.40/50,008.80 = 13,623.80/x
  3. Step 3: Cross multiply
    33,355.40x = 50,008.80 × 13,623.80
  4. Step 4: Simplify right side
    33,355.40x = 681,309,889.44
  5. Step 5: Solve for x
    x = 681,309,889.44/33,355.40
  6. Step 6: Final answer
    x = 20,425.77

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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.