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Finding the Fourth Proportional to 36,679.51, 50,617.33 and 19,912.51

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Solution

The fourth proportional to 36,679.51, 50,617.33 and 19,912.51 is: 27,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,679.51 : 50,617.33 = 19,912.51 : x
  2. Step 2: Convert to fraction form
    36,679.51/50,617.33 = 19,912.51/x
  3. Step 3: Cross multiply
    36,679.51x = 50,617.33 × 19,912.51
  4. Step 4: Simplify right side
    36,679.51x = 1,007,918,089.80
  5. Step 5: Solve for x
    x = 1,007,918,089.80/36,679.51
  6. Step 6: Final answer
    x = 27,479.05

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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.