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Finding the Fourth Proportional to 2,396.36, 3,594.74 and 664.99

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Solution

The fourth proportional to 2,396.36, 3,594.74 and 664.99 is: 997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,396.36 : 3,594.74 = 664.99 : x
  2. Step 2: Convert to fraction form
    2,396.36/3,594.74 = 664.99/x
  3. Step 3: Cross multiply
    2,396.36x = 3,594.74 × 664.99
  4. Step 4: Simplify right side
    2,396.36x = 2,390,466.15
  5. Step 5: Solve for x
    x = 2,390,466.15/2,396.36
  6. Step 6: Final answer
    x = 997.54

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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.