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Finding the Fourth Proportional to 3,558, 4,908.56 and 2,363.56

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Solution

The fourth proportional to 3,558, 4,908.56 and 2,363.56 is: 3,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558 : 4,908.56 = 2,363.56 : x
  2. Step 2: Convert to fraction form
    3,558/4,908.56 = 2,363.56/x
  3. Step 3: Cross multiply
    3,558x = 4,908.56 × 2,363.56
  4. Step 4: Simplify right side
    3,558x = 11,601,676.07
  5. Step 5: Solve for x
    x = 11,601,676.07/3,558
  6. Step 6: Final answer
    x = 3,260.73

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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.