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Finding the Fourth Proportional to 6,243.88, 9,364.88 and 2,347.38

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Solution

The fourth proportional to 6,243.88, 9,364.88 and 2,347.38 is: 3,520.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.88 : 9,364.88 = 2,347.38 : x
  2. Step 2: Convert to fraction form
    6,243.88/9,364.88 = 2,347.38/x
  3. Step 3: Cross multiply
    6,243.88x = 9,364.88 × 2,347.38
  4. Step 4: Simplify right side
    6,243.88x = 21,982,873.45
  5. Step 5: Solve for x
    x = 21,982,873.45/6,243.88
  6. Step 6: Final answer
    x = 3,520.71

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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.