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Finding the Fourth Proportional to 36,534.88, 50,418.12 and 19,767.88

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Solution

The fourth proportional to 36,534.88, 50,418.12 and 19,767.88 is: 27,279.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,534.88 : 50,418.12 = 19,767.88 : x
  2. Step 2: Convert to fraction form
    36,534.88/50,418.12 = 19,767.88/x
  3. Step 3: Cross multiply
    36,534.88x = 50,418.12 × 19,767.88
  4. Step 4: Simplify right side
    36,534.88x = 996,659,345.99
  5. Step 5: Solve for x
    x = 996,659,345.99/36,534.88
  6. Step 6: Final answer
    x = 27,279.67

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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.