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Finding the Fourth Proportional to 3,636.62, 5,464.16 and 2,321.00

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Solution

The fourth proportional to 3,636.62, 5,464.16 and 2,321.00 is: 3,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.62 : 5,464.16 = 2,321.00 : x
  2. Step 2: Convert to fraction form
    3,636.62/5,464.16 = 2,321.00/x
  3. Step 3: Cross multiply
    3,636.62x = 5,464.16 × 2,321.00
  4. Step 4: Simplify right side
    3,636.62x = 12,682,336.36
  5. Step 5: Solve for x
    x = 12,682,336.36/3,636.62
  6. Step 6: Final answer
    x = 3,487.40

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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.