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Finding the Fourth Proportional to 8,396.16, 12,593.16 and 2,849.28

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Solution

The fourth proportional to 8,396.16, 12,593.16 and 2,849.28 is: 4,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.16 : 12,593.16 = 2,849.28 : x
  2. Step 2: Convert to fraction form
    8,396.16/12,593.16 = 2,849.28/x
  3. Step 3: Cross multiply
    8,396.16x = 12,593.16 × 2,849.28
  4. Step 4: Simplify right side
    8,396.16x = 35,881,438.92
  5. Step 5: Solve for x
    x = 35,881,438.92/8,396.16
  6. Step 6: Final answer
    x = 4,273.55

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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.