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Finding the Fourth Proportional to 36,375.68, 50,192.16 and 20,458.88

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Solution

The fourth proportional to 36,375.68, 50,192.16 and 20,458.88 is: 28,229.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,375.68 : 50,192.16 = 20,458.88 : x
  2. Step 2: Convert to fraction form
    36,375.68/50,192.16 = 20,458.88/x
  3. Step 3: Cross multiply
    36,375.68x = 50,192.16 × 20,458.88
  4. Step 4: Simplify right side
    36,375.68x = 1,026,875,378.38
  5. Step 5: Solve for x
    x = 1,026,875,378.38/36,375.68
  6. Step 6: Final answer
    x = 28,229.72

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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.