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Finding the Fourth Proportional to 11,894.95, 17,843.19 and 3,996.84

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Solution

The fourth proportional to 11,894.95, 17,843.19 and 3,996.84 is: 5,995.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894.95 : 17,843.19 = 3,996.84 : x
  2. Step 2: Convert to fraction form
    11,894.95/17,843.19 = 3,996.84/x
  3. Step 3: Cross multiply
    11,894.95x = 17,843.19 × 3,996.84
  4. Step 4: Simplify right side
    11,894.95x = 71,316,427.44
  5. Step 5: Solve for x
    x = 71,316,427.44/11,894.95
  6. Step 6: Final answer
    x = 5,995.52

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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.