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Finding the Fourth Proportional to 18,604.74, 27,883.38 and 8,722.26

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Solution

The fourth proportional to 18,604.74, 27,883.38 and 8,722.26 is: 13,072.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.74 : 27,883.38 = 8,722.26 : x
  2. Step 2: Convert to fraction form
    18,604.74/27,883.38 = 8,722.26/x
  3. Step 3: Cross multiply
    18,604.74x = 27,883.38 × 8,722.26
  4. Step 4: Simplify right side
    18,604.74x = 243,206,090.04
  5. Step 5: Solve for x
    x = 243,206,090.04/18,604.74
  6. Step 6: Final answer
    x = 13,072.26

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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.