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Finding the Fourth Proportional to 5,806.75, 8,703.09 and 2,680.25

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Solution

The fourth proportional to 5,806.75, 8,703.09 and 2,680.25 is: 4,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.75 : 8,703.09 = 2,680.25 : x
  2. Step 2: Convert to fraction form
    5,806.75/8,703.09 = 2,680.25/x
  3. Step 3: Cross multiply
    5,806.75x = 8,703.09 × 2,680.25
  4. Step 4: Simplify right side
    5,806.75x = 23,326,443.57
  5. Step 5: Solve for x
    x = 23,326,443.57/5,806.75
  6. Step 6: Final answer
    x = 4,017.13

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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.