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Finding the Fourth Proportional to 18,602.82, 27,892.08 and 6,118.56

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Solution

The fourth proportional to 18,602.82, 27,892.08 and 6,118.56 is: 9,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,602.82 : 27,892.08 = 6,118.56 : x
  2. Step 2: Convert to fraction form
    18,602.82/27,892.08 = 6,118.56/x
  3. Step 3: Cross multiply
    18,602.82x = 27,892.08 × 6,118.56
  4. Step 4: Simplify right side
    18,602.82x = 170,659,365.00
  5. Step 5: Solve for x
    x = 170,659,365.00/18,602.82
  6. Step 6: Final answer
    x = 9,173.84

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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.