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Finding the Fourth Proportional to 2,433.90, 3,651.64 and 874.24

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Solution

The fourth proportional to 2,433.90, 3,651.64 and 874.24 is: 1,311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.90 : 3,651.64 = 874.24 : x
  2. Step 2: Convert to fraction form
    2,433.90/3,651.64 = 874.24/x
  3. Step 3: Cross multiply
    2,433.90x = 3,651.64 × 874.24
  4. Step 4: Simplify right side
    2,433.90x = 3,192,409.75
  5. Step 5: Solve for x
    x = 3,192,409.75/2,433.90
  6. Step 6: Final answer
    x = 1,311.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.