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Finding the Fourth Proportional to 36,698.69, 50,644.29 and 21,591.92

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Solution

The fourth proportional to 36,698.69, 50,644.29 and 21,591.92 is: 29,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,698.69 : 50,644.29 = 21,591.92 : x
  2. Step 2: Convert to fraction form
    36,698.69/50,644.29 = 21,591.92/x
  3. Step 3: Cross multiply
    36,698.69x = 50,644.29 × 21,591.92
  4. Step 4: Simplify right side
    36,698.69x = 1,093,507,096.96
  5. Step 5: Solve for x
    x = 1,093,507,096.96/36,698.69
  6. Step 6: Final answer
    x = 29,796.90

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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.