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Finding the Fourth Proportional to 3,268.94, 4,904.22 and 2,684.93

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Solution

The fourth proportional to 3,268.94, 4,904.22 and 2,684.93 is: 4,028.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.94 : 4,904.22 = 2,684.93 : x
  2. Step 2: Convert to fraction form
    3,268.94/4,904.22 = 2,684.93/x
  3. Step 3: Cross multiply
    3,268.94x = 4,904.22 × 2,684.93
  4. Step 4: Simplify right side
    3,268.94x = 13,167,487.40
  5. Step 5: Solve for x
    x = 13,167,487.40/3,268.94
  6. Step 6: Final answer
    x = 4,028.06

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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.