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Finding the Fourth Proportional to 6,862.17, 9,413.46 and 6,679.65

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Solution

The fourth proportional to 6,862.17, 9,413.46 and 6,679.65 is: 9,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.17 : 9,413.46 = 6,679.65 : x
  2. Step 2: Convert to fraction form
    6,862.17/9,413.46 = 6,679.65/x
  3. Step 3: Cross multiply
    6,862.17x = 9,413.46 × 6,679.65
  4. Step 4: Simplify right side
    6,862.17x = 62,878,618.09
  5. Step 5: Solve for x
    x = 62,878,618.09/6,862.17
  6. Step 6: Final answer
    x = 9,163.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.