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Finding the Fourth Proportional to 36,388.52, 50,212.60 and 20,472.64

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Solution

The fourth proportional to 36,388.52, 50,212.60 and 20,472.64 is: 28,250.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,388.52 : 50,212.60 = 20,472.64 : x
  2. Step 2: Convert to fraction form
    36,388.52/50,212.60 = 20,472.64/x
  3. Step 3: Cross multiply
    36,388.52x = 50,212.60 × 20,472.64
  4. Step 4: Simplify right side
    36,388.52x = 1,027,984,483.26
  5. Step 5: Solve for x
    x = 1,027,984,483.26/36,388.52
  6. Step 6: Final answer
    x = 28,250.24

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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.