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Finding the Fourth Proportional to 2,442.71, 3,664.58 and 799.13

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Solution

The fourth proportional to 2,442.71, 3,664.58 and 799.13 is: 1,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.71 : 3,664.58 = 799.13 : x
  2. Step 2: Convert to fraction form
    2,442.71/3,664.58 = 799.13/x
  3. Step 3: Cross multiply
    2,442.71x = 3,664.58 × 799.13
  4. Step 4: Simplify right side
    2,442.71x = 2,928,464.66
  5. Step 5: Solve for x
    x = 2,928,464.66/2,442.71
  6. Step 6: Final answer
    x = 1,198.86

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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.