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Finding the Fourth Proportional to 2,396.35, 3,595.38 and 936.55

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Solution

The fourth proportional to 2,396.35, 3,595.38 and 936.55 is: 1,405.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,396.35 : 3,595.38 = 936.55 : x
  2. Step 2: Convert to fraction form
    2,396.35/3,595.38 = 936.55/x
  3. Step 3: Cross multiply
    2,396.35x = 3,595.38 × 936.55
  4. Step 4: Simplify right side
    2,396.35x = 3,367,253.14
  5. Step 5: Solve for x
    x = 3,367,253.14/2,396.35
  6. Step 6: Final answer
    x = 1,405.16

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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.