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Finding the Fourth Proportional to 50,755, 76,136.12 and 15,690.12

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Solution

The fourth proportional to 50,755, 76,136.12 and 15,690.12 is: 23,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,755 : 76,136.12 = 15,690.12 : x
  2. Step 2: Convert to fraction form
    50,755/76,136.12 = 15,690.12/x
  3. Step 3: Cross multiply
    50,755x = 76,136.12 × 15,690.12
  4. Step 4: Simplify right side
    50,755x = 1,194,584,859.13
  5. Step 5: Solve for x
    x = 1,194,584,859.13/50,755
  6. Step 6: Final answer
    x = 23,536.30

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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.