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Finding the Fourth Proportional to 18,201.00, 27,301.48 and 5,722.12

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Solution

The fourth proportional to 18,201.00, 27,301.48 and 5,722.12 is: 8,583.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,201.00 : 27,301.48 = 5,722.12 : x
  2. Step 2: Convert to fraction form
    18,201.00/27,301.48 = 5,722.12/x
  3. Step 3: Cross multiply
    18,201.00x = 27,301.48 × 5,722.12
  4. Step 4: Simplify right side
    18,201.00x = 156,222,251.45
  5. Step 5: Solve for x
    x = 156,222,251.45/18,201.00
  6. Step 6: Final answer
    x = 8,583.17

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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.