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Finding the Fourth Proportional to 8,525.97, 12,792.42 and 6,789.33

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Solution

The fourth proportional to 8,525.97, 12,792.42 and 6,789.33 is: 10,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.97 : 12,792.42 = 6,789.33 : x
  2. Step 2: Convert to fraction form
    8,525.97/12,792.42 = 6,789.33/x
  3. Step 3: Cross multiply
    8,525.97x = 12,792.42 × 6,789.33
  4. Step 4: Simplify right side
    8,525.97x = 86,851,960.88
  5. Step 5: Solve for x
    x = 86,851,960.88/8,525.97
  6. Step 6: Final answer
    x = 10,186.75

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1.5x scale

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.