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Finding the Fourth Proportional to 36,673.65, 50,609.66 and 20,757.78

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Solution

The fourth proportional to 36,673.65, 50,609.66 and 20,757.78 is: 28,645.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,673.65 : 50,609.66 = 20,757.78 : x
  2. Step 2: Convert to fraction form
    36,673.65/50,609.66 = 20,757.78/x
  3. Step 3: Cross multiply
    36,673.65x = 50,609.66 × 20,757.78
  4. Step 4: Simplify right side
    36,673.65x = 1,050,544,084.37
  5. Step 5: Solve for x
    x = 1,050,544,084.37/36,673.65
  6. Step 6: Final answer
    x = 28,645.75

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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.