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Finding the Fourth Proportional to 36,881.31, 50,896.21 and 20,114.31

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Solution

The fourth proportional to 36,881.31, 50,896.21 and 20,114.31 is: 27,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,881.31 : 50,896.21 = 20,114.31 : x
  2. Step 2: Convert to fraction form
    36,881.31/50,896.21 = 20,114.31/x
  3. Step 3: Cross multiply
    36,881.31x = 50,896.21 × 20,114.31
  4. Step 4: Simplify right side
    36,881.31x = 1,023,742,145.77
  5. Step 5: Solve for x
    x = 1,023,742,145.77/36,881.31
  6. Step 6: Final answer
    x = 27,757.75

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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.