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Finding the Fourth Proportional to 5,468.85, 8,205.30 and 2,184.30

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Solution

The fourth proportional to 5,468.85, 8,205.30 and 2,184.30 is: 3,277.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,468.85 : 8,205.30 = 2,184.30 : x
  2. Step 2: Convert to fraction form
    5,468.85/8,205.30 = 2,184.30/x
  3. Step 3: Cross multiply
    5,468.85x = 8,205.30 × 2,184.30
  4. Step 4: Simplify right side
    5,468.85x = 17,922,836.79
  5. Step 5: Solve for x
    x = 17,922,836.79/5,468.85
  6. Step 6: Final answer
    x = 3,277.26

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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.