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Finding the Fourth Proportional to 36,758.88, 50,727.60 and 21,852

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Solution

The fourth proportional to 36,758.88, 50,727.60 and 21,852 is: 30,155.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,758.88 : 50,727.60 = 21,852 : x
  2. Step 2: Convert to fraction form
    36,758.88/50,727.60 = 21,852/x
  3. Step 3: Cross multiply
    36,758.88x = 50,727.60 × 21,852
  4. Step 4: Simplify right side
    36,758.88x = 1,108,499,515.20
  5. Step 5: Solve for x
    x = 1,108,499,515.20/36,758.88
  6. Step 6: Final answer
    x = 30,155.97

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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.