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Finding the Fourth Proportional to 36,755.75, 50,722.56 and 19,988.75

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Solution

The fourth proportional to 36,755.75, 50,722.56 and 19,988.75 is: 27,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,755.75 : 50,722.56 = 19,988.75 : x
  2. Step 2: Convert to fraction form
    36,755.75/50,722.56 = 19,988.75/x
  3. Step 3: Cross multiply
    36,755.75x = 50,722.56 × 19,988.75
  4. Step 4: Simplify right side
    36,755.75x = 1,013,880,698.01
  5. Step 5: Solve for x
    x = 1,013,880,698.01/36,755.75
  6. Step 6: Final answer
    x = 27,584.27

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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.