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Finding the Fourth Proportional to 6,396.84, 9,597.72 and 2,237.28

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Solution

The fourth proportional to 6,396.84, 9,597.72 and 2,237.28 is: 3,356.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396.84 : 9,597.72 = 2,237.28 : x
  2. Step 2: Convert to fraction form
    6,396.84/9,597.72 = 2,237.28/x
  3. Step 3: Cross multiply
    6,396.84x = 9,597.72 × 2,237.28
  4. Step 4: Simplify right side
    6,396.84x = 21,472,787.00
  5. Step 5: Solve for x
    x = 21,472,787.00/6,396.84
  6. Step 6: Final answer
    x = 3,356.78

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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.