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Finding the Fourth Proportional to 3,618.81, 4,994.10 and 2,360.70

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Solution

The fourth proportional to 3,618.81, 4,994.10 and 2,360.70 is: 3,257.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.81 : 4,994.10 = 2,360.70 : x
  2. Step 2: Convert to fraction form
    3,618.81/4,994.10 = 2,360.70/x
  3. Step 3: Cross multiply
    3,618.81x = 4,994.10 × 2,360.70
  4. Step 4: Simplify right side
    3,618.81x = 11,789,571.87
  5. Step 5: Solve for x
    x = 11,789,571.87/3,618.81
  6. Step 6: Final answer
    x = 3,257.86

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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.