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Finding the Fourth Proportional to 36,683.67, 50,624.67 and 20,767.80

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Solution

The fourth proportional to 36,683.67, 50,624.67 and 20,767.80 is: 28,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,683.67 : 50,624.67 = 20,767.80 : x
  2. Step 2: Convert to fraction form
    36,683.67/50,624.67 = 20,767.80/x
  3. Step 3: Cross multiply
    36,683.67x = 50,624.67 × 20,767.80
  4. Step 4: Simplify right side
    36,683.67x = 1,051,363,021.63
  5. Step 5: Solve for x
    x = 1,051,363,021.63/36,683.67
  6. Step 6: Final answer
    x = 28,660.25

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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.