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Finding the Fourth Proportional to 4,855.74, 7,282.52 and 1,894.25

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Solution

The fourth proportional to 4,855.74, 7,282.52 and 1,894.25 is: 2,840.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.74 : 7,282.52 = 1,894.25 : x
  2. Step 2: Convert to fraction form
    4,855.74/7,282.52 = 1,894.25/x
  3. Step 3: Cross multiply
    4,855.74x = 7,282.52 × 1,894.25
  4. Step 4: Simplify right side
    4,855.74x = 13,794,922.25
  5. Step 5: Solve for x
    x = 13,794,922.25/4,855.74
  6. Step 6: Final answer
    x = 2,840.95

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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.