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Finding the Fourth Proportional to 3,794.70, 5,690.68 and 1,603.60

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Solution

The fourth proportional to 3,794.70, 5,690.68 and 1,603.60 is: 2,404.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.70 : 5,690.68 = 1,603.60 : x
  2. Step 2: Convert to fraction form
    3,794.70/5,690.68 = 1,603.60/x
  3. Step 3: Cross multiply
    3,794.70x = 5,690.68 × 1,603.60
  4. Step 4: Simplify right side
    3,794.70x = 9,125,560.22
  5. Step 5: Solve for x
    x = 9,125,560.22/3,794.70
  6. Step 6: Final answer
    x = 2,404.82

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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.