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Finding the Fourth Proportional to 36,502.50, 50,380.80 and 20,587.26

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Solution

The fourth proportional to 36,502.50, 50,380.80 and 20,587.26 is: 28,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,502.50 : 50,380.80 = 20,587.26 : x
  2. Step 2: Convert to fraction form
    36,502.50/50,380.80 = 20,587.26/x
  3. Step 3: Cross multiply
    36,502.50x = 50,380.80 × 20,587.26
  4. Step 4: Simplify right side
    36,502.50x = 1,037,202,628.61
  5. Step 5: Solve for x
    x = 1,037,202,628.61/36,502.50
  6. Step 6: Final answer
    x = 28,414.56

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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.