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Finding the Fourth Proportional to 3,848.96, 5,772.64 and 1,350.48

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Solution

The fourth proportional to 3,848.96, 5,772.64 and 1,350.48 is: 2,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.96 : 5,772.64 = 1,350.48 : x
  2. Step 2: Convert to fraction form
    3,848.96/5,772.64 = 1,350.48/x
  3. Step 3: Cross multiply
    3,848.96x = 5,772.64 × 1,350.48
  4. Step 4: Simplify right side
    3,848.96x = 7,795,834.87
  5. Step 5: Solve for x
    x = 7,795,834.87/3,848.96
  6. Step 6: Final answer
    x = 2,025.44

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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.