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Finding the Fourth Proportional to 12,195.94, 18,301.44 and 4,799.14

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Solution

The fourth proportional to 12,195.94, 18,301.44 and 4,799.14 is: 7,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.94 : 18,301.44 = 4,799.14 : x
  2. Step 2: Convert to fraction form
    12,195.94/18,301.44 = 4,799.14/x
  3. Step 3: Cross multiply
    12,195.94x = 18,301.44 × 4,799.14
  4. Step 4: Simplify right side
    12,195.94x = 87,831,172.76
  5. Step 5: Solve for x
    x = 87,831,172.76/12,195.94
  6. Step 6: Final answer
    x = 7,201.67

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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.