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Finding the Fourth Proportional to 3,191.88, 4,404.72 and 1,794.60

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Solution

The fourth proportional to 3,191.88, 4,404.72 and 1,794.60 is: 2,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.88 : 4,404.72 = 1,794.60 : x
  2. Step 2: Convert to fraction form
    3,191.88/4,404.72 = 1,794.60/x
  3. Step 3: Cross multiply
    3,191.88x = 4,404.72 × 1,794.60
  4. Step 4: Simplify right side
    3,191.88x = 7,904,710.51
  5. Step 5: Solve for x
    x = 7,904,710.51/3,191.88
  6. Step 6: Final answer
    x = 2,476.51

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