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Finding the Fourth Proportional to 36,761.58, 50,736.24 and 20,630.61

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Solution

The fourth proportional to 36,761.58, 50,736.24 and 20,630.61 is: 28,473.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,761.58 : 50,736.24 = 20,630.61 : x
  2. Step 2: Convert to fraction form
    36,761.58/50,736.24 = 20,630.61/x
  3. Step 3: Cross multiply
    36,761.58x = 50,736.24 × 20,630.61
  4. Step 4: Simplify right side
    36,761.58x = 1,046,719,580.31
  5. Step 5: Solve for x
    x = 1,046,719,580.31/36,761.58
  6. Step 6: Final answer
    x = 28,473.19

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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.