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Finding the Fourth Proportional to 8,322.22, 11,481.09 and 4,784.68

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Solution

The fourth proportional to 8,322.22, 11,481.09 and 4,784.68 is: 6,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.22 : 11,481.09 = 4,784.68 : x
  2. Step 2: Convert to fraction form
    8,322.22/11,481.09 = 4,784.68/x
  3. Step 3: Cross multiply
    8,322.22x = 11,481.09 × 4,784.68
  4. Step 4: Simplify right side
    8,322.22x = 54,933,284.30
  5. Step 5: Solve for x
    x = 54,933,284.30/8,322.22
  6. Step 6: Final answer
    x = 6,600.80

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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.