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Finding the Fourth Proportional to 8,647.00, 12,959.79 and 4,201.03

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Solution

The fourth proportional to 8,647.00, 12,959.79 and 4,201.03 is: 6,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647.00 : 12,959.79 = 4,201.03 : x
  2. Step 2: Convert to fraction form
    8,647.00/12,959.79 = 4,201.03/x
  3. Step 3: Cross multiply
    8,647.00x = 12,959.79 × 4,201.03
  4. Step 4: Simplify right side
    8,647.00x = 54,444,467.03
  5. Step 5: Solve for x
    x = 54,444,467.03/8,647.00
  6. Step 6: Final answer
    x = 6,296.34

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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.