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Finding the Fourth Proportional to 18,014.73, 27,023.07 and 7,485.81

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Solution

The fourth proportional to 18,014.73, 27,023.07 and 7,485.81 is: 11,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,014.73 : 27,023.07 = 7,485.81 : x
  2. Step 2: Convert to fraction form
    18,014.73/27,023.07 = 7,485.81/x
  3. Step 3: Cross multiply
    18,014.73x = 27,023.07 × 7,485.81
  4. Step 4: Simplify right side
    18,014.73x = 202,289,452.26
  5. Step 5: Solve for x
    x = 202,289,452.26/18,014.73
  6. Step 6: Final answer
    x = 11,229.12

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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.