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Finding the Fourth Proportional to 8,729.25, 12,046.37 and 5,003.25

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Solution

The fourth proportional to 8,729.25, 12,046.37 and 5,003.25 is: 6,904.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.25 : 12,046.37 = 5,003.25 : x
  2. Step 2: Convert to fraction form
    8,729.25/12,046.37 = 5,003.25/x
  3. Step 3: Cross multiply
    8,729.25x = 12,046.37 × 5,003.25
  4. Step 4: Simplify right side
    8,729.25x = 60,270,975.69
  5. Step 5: Solve for x
    x = 60,270,975.69/8,729.25
  6. Step 6: Final answer
    x = 6,904.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.