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Finding the Fourth Proportional to 12,103.83, 16,704.66 and 7,069.29

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Solution

The fourth proportional to 12,103.83, 16,704.66 and 7,069.29 is: 9,756.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103.83 : 16,704.66 = 7,069.29 : x
  2. Step 2: Convert to fraction form
    12,103.83/16,704.66 = 7,069.29/x
  3. Step 3: Cross multiply
    12,103.83x = 16,704.66 × 7,069.29
  4. Step 4: Simplify right side
    12,103.83x = 118,090,085.89
  5. Step 5: Solve for x
    x = 118,090,085.89/12,103.83
  6. Step 6: Final answer
    x = 9,756.42

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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.