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Finding the Fourth Proportional to 18,146.44, 27,196.62 and 9,944.20

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Solution

The fourth proportional to 18,146.44, 27,196.62 and 9,944.20 is: 14,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.44 : 27,196.62 = 9,944.20 : x
  2. Step 2: Convert to fraction form
    18,146.44/27,196.62 = 9,944.20/x
  3. Step 3: Cross multiply
    18,146.44x = 27,196.62 × 9,944.20
  4. Step 4: Simplify right side
    18,146.44x = 270,448,628.60
  5. Step 5: Solve for x
    x = 270,448,628.60/18,146.44
  6. Step 6: Final answer
    x = 14,903.67

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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.