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Finding the Fourth Proportional to 12,009.26, 16,572.09 and 6,704.41

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Solution

The fourth proportional to 12,009.26, 16,572.09 and 6,704.41 is: 9,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.26 : 16,572.09 = 6,704.41 : x
  2. Step 2: Convert to fraction form
    12,009.26/16,572.09 = 6,704.41/x
  3. Step 3: Cross multiply
    12,009.26x = 16,572.09 × 6,704.41
  4. Step 4: Simplify right side
    12,009.26x = 111,106,052.39
  5. Step 5: Solve for x
    x = 111,106,052.39/12,009.26
  6. Step 6: Final answer
    x = 9,251.70

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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.