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Finding the Fourth Proportional to 36,536.75, 50,420.76 and 19,769.75

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Solution

The fourth proportional to 36,536.75, 50,420.76 and 19,769.75 is: 27,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,536.75 : 50,420.76 = 19,769.75 : x
  2. Step 2: Convert to fraction form
    36,536.75/50,420.76 = 19,769.75/x
  3. Step 3: Cross multiply
    36,536.75x = 50,420.76 × 19,769.75
  4. Step 4: Simplify right side
    36,536.75x = 996,805,820.01
  5. Step 5: Solve for x
    x = 996,805,820.01/36,536.75
  6. Step 6: Final answer
    x = 27,282.28

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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.