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Finding the Fourth Proportional to 36,955.88, 50,996.76 and 20,188.88

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Solution

The fourth proportional to 36,955.88, 50,996.76 and 20,188.88 is: 27,859.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,955.88 : 50,996.76 = 20,188.88 : x
  2. Step 2: Convert to fraction form
    36,955.88/50,996.76 = 20,188.88/x
  3. Step 3: Cross multiply
    36,955.88x = 50,996.76 × 20,188.88
  4. Step 4: Simplify right side
    36,955.88x = 1,029,567,468.03
  5. Step 5: Solve for x
    x = 1,029,567,468.03/36,955.88
  6. Step 6: Final answer
    x = 27,859.37

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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.