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Finding the Fourth Proportional to 4,950.73, 6,832.25 and 2,855.53

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Solution

The fourth proportional to 4,950.73, 6,832.25 and 2,855.53 is: 3,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.73 : 6,832.25 = 2,855.53 : x
  2. Step 2: Convert to fraction form
    4,950.73/6,832.25 = 2,855.53/x
  3. Step 3: Cross multiply
    4,950.73x = 6,832.25 × 2,855.53
  4. Step 4: Simplify right side
    4,950.73x = 19,509,694.84
  5. Step 5: Solve for x
    x = 19,509,694.84/4,950.73
  6. Step 6: Final answer
    x = 3,940.77

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1.5x scale

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.