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Finding the Fourth Proportional to 36,903.34, 50,927.20 and 20,136.34

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Solution

The fourth proportional to 36,903.34, 50,927.20 and 20,136.34 is: 27,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,903.34 : 50,927.20 = 20,136.34 : x
  2. Step 2: Convert to fraction form
    36,903.34/50,927.20 = 20,136.34/x
  3. Step 3: Cross multiply
    36,903.34x = 50,927.20 × 20,136.34
  4. Step 4: Simplify right side
    36,903.34x = 1,025,487,414.45
  5. Step 5: Solve for x
    x = 1,025,487,414.45/36,903.34
  6. Step 6: Final answer
    x = 27,788.47

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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.