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Finding the Fourth Proportional to 3,775.62, 5,208.63 and 2,449.38

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Solution

The fourth proportional to 3,775.62, 5,208.63 and 2,449.38 is: 3,379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.62 : 5,208.63 = 2,449.38 : x
  2. Step 2: Convert to fraction form
    3,775.62/5,208.63 = 2,449.38/x
  3. Step 3: Cross multiply
    3,775.62x = 5,208.63 × 2,449.38
  4. Step 4: Simplify right side
    3,775.62x = 12,757,914.15
  5. Step 5: Solve for x
    x = 12,757,914.15/3,775.62
  6. Step 6: Final answer
    x = 3,379.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.