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Finding the Fourth Proportional to 3,880.12, 5,827.64 and 3,326.08

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Solution

The fourth proportional to 3,880.12, 5,827.64 and 3,326.08 is: 4,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.12 : 5,827.64 = 3,326.08 : x
  2. Step 2: Convert to fraction form
    3,880.12/5,827.64 = 3,326.08/x
  3. Step 3: Cross multiply
    3,880.12x = 5,827.64 × 3,326.08
  4. Step 4: Simplify right side
    3,880.12x = 19,383,196.85
  5. Step 5: Solve for x
    x = 19,383,196.85/3,880.12
  6. Step 6: Final answer
    x = 4,995.51

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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.