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Finding the Fourth Proportional to 33,518.80, 50,269.90 and 11,331.70

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Solution

The fourth proportional to 33,518.80, 50,269.90 and 11,331.70 is: 16,994.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,518.80 : 50,269.90 = 11,331.70 : x
  2. Step 2: Convert to fraction form
    33,518.80/50,269.90 = 11,331.70/x
  3. Step 3: Cross multiply
    33,518.80x = 50,269.90 × 11,331.70
  4. Step 4: Simplify right side
    33,518.80x = 569,643,425.83
  5. Step 5: Solve for x
    x = 569,643,425.83/33,518.80
  6. Step 6: Final answer
    x = 16,994.74

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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.