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Finding the Fourth Proportional to 11,892.84, 17,840.03 and 3,994.73

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Solution

The fourth proportional to 11,892.84, 17,840.03 and 3,994.73 is: 5,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.84 : 17,840.03 = 3,994.73 : x
  2. Step 2: Convert to fraction form
    11,892.84/17,840.03 = 3,994.73/x
  3. Step 3: Cross multiply
    11,892.84x = 17,840.03 × 3,994.73
  4. Step 4: Simplify right side
    11,892.84x = 71,266,125.18
  5. Step 5: Solve for x
    x = 71,266,125.18/11,892.84
  6. Step 6: Final answer
    x = 5,992.36

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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.