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Finding the Fourth Proportional to 33,815.20, 50,722.80 and 10,441.60

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Solution

The fourth proportional to 33,815.20, 50,722.80 and 10,441.60 is: 15,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,815.20 : 50,722.80 = 10,441.60 : x
  2. Step 2: Convert to fraction form
    33,815.20/50,722.80 = 10,441.60/x
  3. Step 3: Cross multiply
    33,815.20x = 50,722.80 × 10,441.60
  4. Step 4: Simplify right side
    33,815.20x = 529,627,188.48
  5. Step 5: Solve for x
    x = 529,627,188.48/33,815.20
  6. Step 6: Final answer
    x = 15,662.40

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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.