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Finding the Fourth Proportional to 6,367.75, 8,787.26 and 3,535.25

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Solution

The fourth proportional to 6,367.75, 8,787.26 and 3,535.25 is: 4,878.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367.75 : 8,787.26 = 3,535.25 : x
  2. Step 2: Convert to fraction form
    6,367.75/8,787.26 = 3,535.25/x
  3. Step 3: Cross multiply
    6,367.75x = 8,787.26 × 3,535.25
  4. Step 4: Simplify right side
    6,367.75x = 31,065,160.92
  5. Step 5: Solve for x
    x = 31,065,160.92/6,367.75
  6. Step 6: Final answer
    x = 4,878.51

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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.