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Finding the Fourth Proportional to 3,266.53, 4,893.41 and 2,918.43

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Solution

The fourth proportional to 3,266.53, 4,893.41 and 2,918.43 is: 4,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.53 : 4,893.41 = 2,918.43 : x
  2. Step 2: Convert to fraction form
    3,266.53/4,893.41 = 2,918.43/x
  3. Step 3: Cross multiply
    3,266.53x = 4,893.41 × 2,918.43
  4. Step 4: Simplify right side
    3,266.53x = 14,281,081.84
  5. Step 5: Solve for x
    x = 14,281,081.84/3,266.53
  6. Step 6: Final answer
    x = 4,371.95

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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.