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Finding the Fourth Proportional to 8,751.36, 12,081.78 and 6,066.48

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Solution

The fourth proportional to 8,751.36, 12,081.78 and 6,066.48 is: 8,375.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.36 : 12,081.78 = 6,066.48 : x
  2. Step 2: Convert to fraction form
    8,751.36/12,081.78 = 6,066.48/x
  3. Step 3: Cross multiply
    8,751.36x = 12,081.78 × 6,066.48
  4. Step 4: Simplify right side
    8,751.36x = 73,293,876.73
  5. Step 5: Solve for x
    x = 73,293,876.73/8,751.36
  6. Step 6: Final answer
    x = 8,375.14

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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.