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Finding the Fourth Proportional to 36,752.68, 50,672.82 and 30,405.64

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Solution

The fourth proportional to 36,752.68, 50,672.82 and 30,405.64 is: 41,921.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,752.68 : 50,672.82 = 30,405.64 : x
  2. Step 2: Convert to fraction form
    36,752.68/50,672.82 = 30,405.64/x
  3. Step 3: Cross multiply
    36,752.68x = 50,672.82 × 30,405.64
  4. Step 4: Simplify right side
    36,752.68x = 1,540,739,522.70
  5. Step 5: Solve for x
    x = 1,540,739,522.70/36,752.68
  6. Step 6: Final answer
    x = 41,921.83

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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.