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Finding the Fourth Proportional to 33,683.43, 50,459.50 and 20,503.11

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Solution

The fourth proportional to 33,683.43, 50,459.50 and 20,503.11 is: 30,714.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,683.43 : 50,459.50 = 20,503.11 : x
  2. Step 2: Convert to fraction form
    33,683.43/50,459.50 = 20,503.11/x
  3. Step 3: Cross multiply
    33,683.43x = 50,459.50 × 20,503.11
  4. Step 4: Simplify right side
    33,683.43x = 1,034,576,679.05
  5. Step 5: Solve for x
    x = 1,034,576,679.05/33,683.43
  6. Step 6: Final answer
    x = 30,714.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.