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Finding the Fourth Proportional to 7,866.37, 11,799.65 and 2,022.82

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Solution

The fourth proportional to 7,866.37, 11,799.65 and 2,022.82 is: 3,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866.37 : 11,799.65 = 2,022.82 : x
  2. Step 2: Convert to fraction form
    7,866.37/11,799.65 = 2,022.82/x
  3. Step 3: Cross multiply
    7,866.37x = 11,799.65 × 2,022.82
  4. Step 4: Simplify right side
    7,866.37x = 23,868,568.01
  5. Step 5: Solve for x
    x = 23,868,568.01/7,866.37
  6. Step 6: Final answer
    x = 3,034.25

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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.