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Finding the Fourth Proportional to 3,282.94, 4,924.69 and 942.95

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Solution

The fourth proportional to 3,282.94, 4,924.69 and 942.95 is: 1,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.94 : 4,924.69 = 942.95 : x
  2. Step 2: Convert to fraction form
    3,282.94/4,924.69 = 942.95/x
  3. Step 3: Cross multiply
    3,282.94x = 4,924.69 × 942.95
  4. Step 4: Simplify right side
    3,282.94x = 4,643,736.44
  5. Step 5: Solve for x
    x = 4,643,736.44/3,282.94
  6. Step 6: Final answer
    x = 1,414.51

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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.