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Finding the Fourth Proportional to 12,895.06, 17,794.25 and 7,589.15

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Solution

The fourth proportional to 12,895.06, 17,794.25 and 7,589.15 is: 10,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895.06 : 17,794.25 = 7,589.15 : x
  2. Step 2: Convert to fraction form
    12,895.06/17,794.25 = 7,589.15/x
  3. Step 3: Cross multiply
    12,895.06x = 17,794.25 × 7,589.15
  4. Step 4: Simplify right side
    12,895.06x = 135,043,194.44
  5. Step 5: Solve for x
    x = 135,043,194.44/12,895.06
  6. Step 6: Final answer
    x = 10,472.48

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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.