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Finding the Fourth Proportional to 8,792.56, 13,185.78 and 2,550.88

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Solution

The fourth proportional to 8,792.56, 13,185.78 and 2,550.88 is: 3,825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.56 : 13,185.78 = 2,550.88 : x
  2. Step 2: Convert to fraction form
    8,792.56/13,185.78 = 2,550.88/x
  3. Step 3: Cross multiply
    8,792.56x = 13,185.78 × 2,550.88
  4. Step 4: Simplify right side
    8,792.56x = 33,635,342.49
  5. Step 5: Solve for x
    x = 33,635,342.49/8,792.56
  6. Step 6: Final answer
    x = 3,825.43

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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.