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Finding the Fourth Proportional to 4,634.26, 6,949.26 and 1,858.60

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Solution

The fourth proportional to 4,634.26, 6,949.26 and 1,858.60 is: 2,787.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,634.26 : 6,949.26 = 1,858.60 : x
  2. Step 2: Convert to fraction form
    4,634.26/6,949.26 = 1,858.60/x
  3. Step 3: Cross multiply
    4,634.26x = 6,949.26 × 1,858.60
  4. Step 4: Simplify right side
    4,634.26x = 12,915,894.64
  5. Step 5: Solve for x
    x = 12,915,894.64/4,634.26
  6. Step 6: Final answer
    x = 2,787.05

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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.