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Finding the Fourth Proportional to 3,322.80, 4,984.38 and 2,395.80

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Solution

The fourth proportional to 3,322.80, 4,984.38 and 2,395.80 is: 3,593.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.80 : 4,984.38 = 2,395.80 : x
  2. Step 2: Convert to fraction form
    3,322.80/4,984.38 = 2,395.80/x
  3. Step 3: Cross multiply
    3,322.80x = 4,984.38 × 2,395.80
  4. Step 4: Simplify right side
    3,322.80x = 11,941,577.60
  5. Step 5: Solve for x
    x = 11,941,577.60/3,322.80
  6. Step 6: Final answer
    x = 3,593.83

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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.