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Finding the Fourth Proportional to 18,222.22, 27,327.22 and 6,974.94

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Solution

The fourth proportional to 18,222.22, 27,327.22 and 6,974.94 is: 10,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.22 : 27,327.22 = 6,974.94 : x
  2. Step 2: Convert to fraction form
    18,222.22/27,327.22 = 6,974.94/x
  3. Step 3: Cross multiply
    18,222.22x = 27,327.22 × 6,974.94
  4. Step 4: Simplify right side
    18,222.22x = 190,605,719.87
  5. Step 5: Solve for x
    x = 190,605,719.87/18,222.22
  6. Step 6: Final answer
    x = 10,460.07

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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.