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Finding the Fourth Proportional to 18,093.01, 27,126.75 and 6,990.34

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Solution

The fourth proportional to 18,093.01, 27,126.75 and 6,990.34 is: 10,480.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093.01 : 27,126.75 = 6,990.34 : x
  2. Step 2: Convert to fraction form
    18,093.01/27,126.75 = 6,990.34/x
  3. Step 3: Cross multiply
    18,093.01x = 27,126.75 × 6,990.34
  4. Step 4: Simplify right side
    18,093.01x = 189,625,069.96
  5. Step 5: Solve for x
    x = 189,625,069.96/18,093.01
  6. Step 6: Final answer
    x = 10,480.57

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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.