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Finding the Fourth Proportional to 5,873.57, 8,100.81 and 5,163.90

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Solution

The fourth proportional to 5,873.57, 8,100.81 and 5,163.90 is: 7,122.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.57 : 8,100.81 = 5,163.90 : x
  2. Step 2: Convert to fraction form
    5,873.57/8,100.81 = 5,163.90/x
  3. Step 3: Cross multiply
    5,873.57x = 8,100.81 × 5,163.90
  4. Step 4: Simplify right side
    5,873.57x = 41,831,772.76
  5. Step 5: Solve for x
    x = 41,831,772.76/5,873.57
  6. Step 6: Final answer
    x = 7,122.04

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Why These Related Problems?

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