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Finding the Fourth Proportional to 33,503.20, 50,254.80 and 20,359.60

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Solution

The fourth proportional to 33,503.20, 50,254.80 and 20,359.60 is: 30,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,503.20 : 50,254.80 = 20,359.60 : x
  2. Step 2: Convert to fraction form
    33,503.20/50,254.80 = 20,359.60/x
  3. Step 3: Cross multiply
    33,503.20x = 50,254.80 × 20,359.60
  4. Step 4: Simplify right side
    33,503.20x = 1,023,167,626.08
  5. Step 5: Solve for x
    x = 1,023,167,626.08/33,503.20
  6. Step 6: Final answer
    x = 30,539.40

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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.