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Finding the Fourth Proportional to 8,736.03, 12,063.74 and 5,550.38

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Solution

The fourth proportional to 8,736.03, 12,063.74 and 5,550.38 is: 7,664.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.03 : 12,063.74 = 5,550.38 : x
  2. Step 2: Convert to fraction form
    8,736.03/12,063.74 = 5,550.38/x
  3. Step 3: Cross multiply
    8,736.03x = 12,063.74 × 5,550.38
  4. Step 4: Simplify right side
    8,736.03x = 66,958,253.15
  5. Step 5: Solve for x
    x = 66,958,253.15/8,736.03
  6. Step 6: Final answer
    x = 7,664.61

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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.