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Finding the Fourth Proportional to 33,486.88, 50,191.36 and 14,980

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Solution

The fourth proportional to 33,486.88, 50,191.36 and 14,980 is: 22,452.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,486.88 : 50,191.36 = 14,980 : x
  2. Step 2: Convert to fraction form
    33,486.88/50,191.36 = 14,980/x
  3. Step 3: Cross multiply
    33,486.88x = 50,191.36 × 14,980
  4. Step 4: Simplify right side
    33,486.88x = 751,866,572.80
  5. Step 5: Solve for x
    x = 751,866,572.80/33,486.88
  6. Step 6: Final answer
    x = 22,452.57

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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.