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Finding the Fourth Proportional to 12,377.85, 17,081.06 and 8,846.97

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Solution

The fourth proportional to 12,377.85, 17,081.06 and 8,846.97 is: 12,208.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.85 : 17,081.06 = 8,846.97 : x
  2. Step 2: Convert to fraction form
    12,377.85/17,081.06 = 8,846.97/x
  3. Step 3: Cross multiply
    12,377.85x = 17,081.06 × 8,846.97
  4. Step 4: Simplify right side
    12,377.85x = 151,115,581.15
  5. Step 5: Solve for x
    x = 151,115,581.15/12,377.85
  6. Step 6: Final answer
    x = 12,208.55

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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.