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Finding the Fourth Proportional to 36,275.20, 50,059.50 and 20,359.60

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Solution

The fourth proportional to 36,275.20, 50,059.50 and 20,359.60 is: 28,096.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,275.20 : 50,059.50 = 20,359.60 : x
  2. Step 2: Convert to fraction form
    36,275.20/50,059.50 = 20,359.60/x
  3. Step 3: Cross multiply
    36,275.20x = 50,059.50 × 20,359.60
  4. Step 4: Simplify right side
    36,275.20x = 1,019,191,396.20
  5. Step 5: Solve for x
    x = 1,019,191,396.20/36,275.20
  6. Step 6: Final answer
    x = 28,096.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.