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Finding the Fourth Proportional to 2,183, 3,281.70 and 2,022.62

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Solution

The fourth proportional to 2,183, 3,281.70 and 2,022.62 is: 3,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183 : 3,281.70 = 2,022.62 : x
  2. Step 2: Convert to fraction form
    2,183/3,281.70 = 2,022.62/x
  3. Step 3: Cross multiply
    2,183x = 3,281.70 × 2,022.62
  4. Step 4: Simplify right side
    2,183x = 6,637,632.05
  5. Step 5: Solve for x
    x = 6,637,632.05/2,183
  6. Step 6: Final answer
    x = 3,040.60

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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.