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Finding the Fourth Proportional to 2,375.00, 3,277.62 and 1,431.08

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Solution

The fourth proportional to 2,375.00, 3,277.62 and 1,431.08 is: 1,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.00 : 3,277.62 = 1,431.08 : x
  2. Step 2: Convert to fraction form
    2,375.00/3,277.62 = 1,431.08/x
  3. Step 3: Cross multiply
    2,375.00x = 3,277.62 × 1,431.08
  4. Step 4: Simplify right side
    2,375.00x = 4,690,544.62
  5. Step 5: Solve for x
    x = 4,690,544.62/2,375.00
  6. Step 6: Final answer
    x = 1,974.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.