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Finding the Fourth Proportional to 2,395.85, 3,591.64 and 936.02

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Solution

The fourth proportional to 2,395.85, 3,591.64 and 936.02 is: 1,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.85 : 3,591.64 = 936.02 : x
  2. Step 2: Convert to fraction form
    2,395.85/3,591.64 = 936.02/x
  3. Step 3: Cross multiply
    2,395.85x = 3,591.64 × 936.02
  4. Step 4: Simplify right side
    2,395.85x = 3,361,857.02
  5. Step 5: Solve for x
    x = 3,361,857.02/2,395.85
  6. Step 6: Final answer
    x = 1,403.20

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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.