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Finding the Fourth Proportional to 13,682.00, 20,516.00 and 6,280.03

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Solution

The fourth proportional to 13,682.00, 20,516.00 and 6,280.03 is: 9,416.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682.00 : 20,516.00 = 6,280.03 : x
  2. Step 2: Convert to fraction form
    13,682.00/20,516.00 = 6,280.03/x
  3. Step 3: Cross multiply
    13,682.00x = 20,516.00 × 6,280.03
  4. Step 4: Simplify right side
    13,682.00x = 128,841,098.56
  5. Step 5: Solve for x
    x = 128,841,098.56/13,682.00
  6. Step 6: Final answer
    x = 9,416.83

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Why These Related Problems?

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