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Finding the Fourth Proportional to 5,448.66, 8,169.21 and 2,984.64

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Solution

The fourth proportional to 5,448.66, 8,169.21 and 2,984.64 is: 4,474.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.66 : 8,169.21 = 2,984.64 : x
  2. Step 2: Convert to fraction form
    5,448.66/8,169.21 = 2,984.64/x
  3. Step 3: Cross multiply
    5,448.66x = 8,169.21 × 2,984.64
  4. Step 4: Simplify right side
    5,448.66x = 24,382,150.93
  5. Step 5: Solve for x
    x = 24,382,150.93/5,448.66
  6. Step 6: Final answer
    x = 4,474.89

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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.