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Finding the Fourth Proportional to 8,754.97, 12,083.43 and 5,218.41

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Solution

The fourth proportional to 8,754.97, 12,083.43 and 5,218.41 is: 7,202.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.97 : 12,083.43 = 5,218.41 : x
  2. Step 2: Convert to fraction form
    8,754.97/12,083.43 = 5,218.41/x
  3. Step 3: Cross multiply
    8,754.97x = 12,083.43 × 5,218.41
  4. Step 4: Simplify right side
    8,754.97x = 63,056,205.44
  5. Step 5: Solve for x
    x = 63,056,205.44/8,754.97
  6. Step 6: Final answer
    x = 7,202.33

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1.5x scale

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.