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Finding the Fourth Proportional to 36,921.37, 50,951.37 and 20,154.37

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Solution

The fourth proportional to 36,921.37, 50,951.37 and 20,154.37 is: 27,812.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,921.37 : 50,951.37 = 20,154.37 : x
  2. Step 2: Convert to fraction form
    36,921.37/50,951.37 = 20,154.37/x
  3. Step 3: Cross multiply
    36,921.37x = 50,951.37 × 20,154.37
  4. Step 4: Simplify right side
    36,921.37x = 1,026,892,762.99
  5. Step 5: Solve for x
    x = 1,026,892,762.99/36,921.37
  6. Step 6: Final answer
    x = 27,812.96

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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.