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Finding the Fourth Proportional to 18,008.22, 27,016.34 and 6,914.94

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Solution

The fourth proportional to 18,008.22, 27,016.34 and 6,914.94 is: 10,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,008.22 : 27,016.34 = 6,914.94 : x
  2. Step 2: Convert to fraction form
    18,008.22/27,016.34 = 6,914.94/x
  3. Step 3: Cross multiply
    18,008.22x = 27,016.34 × 6,914.94
  4. Step 4: Simplify right side
    18,008.22x = 186,816,234.23
  5. Step 5: Solve for x
    x = 186,816,234.23/18,008.22
  6. Step 6: Final answer
    x = 10,373.94

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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.