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Finding the Fourth Proportional to 36,955.50, 50,998.62 and 20,188.50

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Solution

The fourth proportional to 36,955.50, 50,998.62 and 20,188.50 is: 27,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,955.50 : 50,998.62 = 20,188.50 : x
  2. Step 2: Convert to fraction form
    36,955.50/50,998.62 = 20,188.50/x
  3. Step 3: Cross multiply
    36,955.50x = 50,998.62 × 20,188.50
  4. Step 4: Simplify right side
    36,955.50x = 1,029,585,639.87
  5. Step 5: Solve for x
    x = 1,029,585,639.87/36,955.50
  6. Step 6: Final answer
    x = 27,860.15

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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.