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Finding the Fourth Proportional to 8,858.03, 13,288.68 and 3,664.31

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Solution

The fourth proportional to 8,858.03, 13,288.68 and 3,664.31 is: 5,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.03 : 13,288.68 = 3,664.31 : x
  2. Step 2: Convert to fraction form
    8,858.03/13,288.68 = 3,664.31/x
  3. Step 3: Cross multiply
    8,858.03x = 13,288.68 × 3,664.31
  4. Step 4: Simplify right side
    8,858.03x = 48,693,843.01
  5. Step 5: Solve for x
    x = 48,693,843.01/8,858.03
  6. Step 6: Final answer
    x = 5,497.14

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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.