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Finding the Fourth Proportional to 33,390.60, 50,118.30 and 16,769.40

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Solution

The fourth proportional to 33,390.60, 50,118.30 and 16,769.40 is: 25,170.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,390.60 : 50,118.30 = 16,769.40 : x
  2. Step 2: Convert to fraction form
    33,390.60/50,118.30 = 16,769.40/x
  3. Step 3: Cross multiply
    33,390.60x = 50,118.30 × 16,769.40
  4. Step 4: Simplify right side
    33,390.60x = 840,453,820.02
  5. Step 5: Solve for x
    x = 840,453,820.02/33,390.60
  6. Step 6: Final answer
    x = 25,170.37

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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.