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Finding the Fourth Proportional to 8,481.78, 12,708.60 and 6,004.32

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Solution

The fourth proportional to 8,481.78, 12,708.60 and 6,004.32 is: 8,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.78 : 12,708.60 = 6,004.32 : x
  2. Step 2: Convert to fraction form
    8,481.78/12,708.60 = 6,004.32/x
  3. Step 3: Cross multiply
    8,481.78x = 12,708.60 × 6,004.32
  4. Step 4: Simplify right side
    8,481.78x = 76,306,501.15
  5. Step 5: Solve for x
    x = 76,306,501.15/8,481.78
  6. Step 6: Final answer
    x = 8,996.52

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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.