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Finding the Fourth Proportional to 50,679.44, 76,019.20 and 13,743.44

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Solution

The fourth proportional to 50,679.44, 76,019.20 and 13,743.44 is: 20,615.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,679.44 : 76,019.20 = 13,743.44 : x
  2. Step 2: Convert to fraction form
    50,679.44/76,019.20 = 13,743.44/x
  3. Step 3: Cross multiply
    50,679.44x = 76,019.20 × 13,743.44
  4. Step 4: Simplify right side
    50,679.44x = 1,044,765,314.05
  5. Step 5: Solve for x
    x = 1,044,765,314.05/50,679.44
  6. Step 6: Final answer
    x = 20,615.17

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.