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Finding the Fourth Proportional to 3,796.24, 5,690.16 and 2,868.79

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Solution

The fourth proportional to 3,796.24, 5,690.16 and 2,868.79 is: 4,300.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,796.24 : 5,690.16 = 2,868.79 : x
  2. Step 2: Convert to fraction form
    3,796.24/5,690.16 = 2,868.79/x
  3. Step 3: Cross multiply
    3,796.24x = 5,690.16 × 2,868.79
  4. Step 4: Simplify right side
    3,796.24x = 16,323,874.11
  5. Step 5: Solve for x
    x = 16,323,874.11/3,796.24
  6. Step 6: Final answer
    x = 4,300.01

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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.