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Finding the Fourth Proportional to 5,744.27, 7,919.75 and 3,852.86

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Solution

The fourth proportional to 5,744.27, 7,919.75 and 3,852.86 is: 5,312.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,744.27 : 7,919.75 = 3,852.86 : x
  2. Step 2: Convert to fraction form
    5,744.27/7,919.75 = 3,852.86/x
  3. Step 3: Cross multiply
    5,744.27x = 7,919.75 × 3,852.86
  4. Step 4: Simplify right side
    5,744.27x = 30,513,629.12
  5. Step 5: Solve for x
    x = 30,513,629.12/5,744.27
  6. Step 6: Final answer
    x = 5,312.02

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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.