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Finding the Fourth Proportional to 3,169.04, 4,755.96 and 1,221.68

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Solution

The fourth proportional to 3,169.04, 4,755.96 and 1,221.68 is: 1,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.04 : 4,755.96 = 1,221.68 : x
  2. Step 2: Convert to fraction form
    3,169.04/4,755.96 = 1,221.68/x
  3. Step 3: Cross multiply
    3,169.04x = 4,755.96 × 1,221.68
  4. Step 4: Simplify right side
    3,169.04x = 5,810,261.21
  5. Step 5: Solve for x
    x = 5,810,261.21/3,169.04
  6. Step 6: Final answer
    x = 1,833.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.