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Finding the Fourth Proportional to 18,028.37, 27,059.37 and 9,150.00

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Solution

The fourth proportional to 18,028.37, 27,059.37 and 9,150.00 is: 13,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.37 : 27,059.37 = 9,150.00 : x
  2. Step 2: Convert to fraction form
    18,028.37/27,059.37 = 9,150.00/x
  3. Step 3: Cross multiply
    18,028.37x = 27,059.37 × 9,150.00
  4. Step 4: Simplify right side
    18,028.37x = 247,593,099.71
  5. Step 5: Solve for x
    x = 247,593,099.71/18,028.37
  6. Step 6: Final answer
    x = 13,733.52

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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.