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Finding the Fourth Proportional to 33,579.20, 50,368.80 and 10,202.60

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Solution

The fourth proportional to 33,579.20, 50,368.80 and 10,202.60 is: 15,303.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,579.20 : 50,368.80 = 10,202.60 : x
  2. Step 2: Convert to fraction form
    33,579.20/50,368.80 = 10,202.60/x
  3. Step 3: Cross multiply
    33,579.20x = 50,368.80 × 10,202.60
  4. Step 4: Simplify right side
    33,579.20x = 513,892,718.88
  5. Step 5: Solve for x
    x = 513,892,718.88/33,579.20
  6. Step 6: Final answer
    x = 15,303.90

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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.