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Finding the Fourth Proportional to 36,893.85, 50,914.08 and 20,126.85

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Solution

The fourth proportional to 36,893.85, 50,914.08 and 20,126.85 is: 27,775.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,893.85 : 50,914.08 = 20,126.85 : x
  2. Step 2: Convert to fraction form
    36,893.85/50,914.08 = 20,126.85/x
  3. Step 3: Cross multiply
    36,893.85x = 50,914.08 × 20,126.85
  4. Step 4: Simplify right side
    36,893.85x = 1,024,740,051.05
  5. Step 5: Solve for x
    x = 1,024,740,051.05/36,893.85
  6. Step 6: Final answer
    x = 27,775.36

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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.