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Finding the Fourth Proportional to 11,995.59, 17,993.39 and 4,202.58

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Solution

The fourth proportional to 11,995.59, 17,993.39 and 4,202.58 is: 6,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.59 : 17,993.39 = 4,202.58 : x
  2. Step 2: Convert to fraction form
    11,995.59/17,993.39 = 4,202.58/x
  3. Step 3: Cross multiply
    11,995.59x = 17,993.39 × 4,202.58
  4. Step 4: Simplify right side
    11,995.59x = 75,618,639.93
  5. Step 5: Solve for x
    x = 75,618,639.93/11,995.59
  6. Step 6: Final answer
    x = 6,303.87

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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.