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Finding the Fourth Proportional to 12,321.83, 17,004.20 and 6,732.83

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Solution

The fourth proportional to 12,321.83, 17,004.20 and 6,732.83 is: 9,291.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,321.83 : 17,004.20 = 6,732.83 : x
  2. Step 2: Convert to fraction form
    12,321.83/17,004.20 = 6,732.83/x
  3. Step 3: Cross multiply
    12,321.83x = 17,004.20 × 6,732.83
  4. Step 4: Simplify right side
    12,321.83x = 114,486,387.89
  5. Step 5: Solve for x
    x = 114,486,387.89/12,321.83
  6. Step 6: Final answer
    x = 9,291.35

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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.