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Finding the Fourth Proportional to 2,395.96, 3,305.78 and 1,401.48

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Solution

The fourth proportional to 2,395.96, 3,305.78 and 1,401.48 is: 1,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.96 : 3,305.78 = 1,401.48 : x
  2. Step 2: Convert to fraction form
    2,395.96/3,305.78 = 1,401.48/x
  3. Step 3: Cross multiply
    2,395.96x = 3,305.78 × 1,401.48
  4. Step 4: Simplify right side
    2,395.96x = 4,632,984.55
  5. Step 5: Solve for x
    x = 4,632,984.55/2,395.96
  6. Step 6: Final answer
    x = 1,933.67

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