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Finding the Fourth Proportional to 36,903.25, 50,926.49 and 20,136.25

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Solution

The fourth proportional to 36,903.25, 50,926.49 and 20,136.25 is: 27,788.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,903.25 : 50,926.49 = 20,136.25 : x
  2. Step 2: Convert to fraction form
    36,903.25/50,926.49 = 20,136.25/x
  3. Step 3: Cross multiply
    36,903.25x = 50,926.49 × 20,136.25
  4. Step 4: Simplify right side
    36,903.25x = 1,025,468,433.58
  5. Step 5: Solve for x
    x = 1,025,468,433.58/36,903.25
  6. Step 6: Final answer
    x = 27,788.03

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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.