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Finding the Fourth Proportional to 13,199.70, 19,797.42 and 4,883.70

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Solution

The fourth proportional to 13,199.70, 19,797.42 and 4,883.70 is: 7,324.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199.70 : 19,797.42 = 4,883.70 : x
  2. Step 2: Convert to fraction form
    13,199.70/19,797.42 = 4,883.70/x
  3. Step 3: Cross multiply
    13,199.70x = 19,797.42 × 4,883.70
  4. Step 4: Simplify right side
    13,199.70x = 96,684,660.05
  5. Step 5: Solve for x
    x = 96,684,660.05/13,199.70
  6. Step 6: Final answer
    x = 7,324.76

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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.