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Finding the Fourth Proportional to 4,858.88, 6,705.32 and 2,763

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Solution

The fourth proportional to 4,858.88, 6,705.32 and 2,763 is: 3,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,858.88 : 6,705.32 = 2,763 : x
  2. Step 2: Convert to fraction form
    4,858.88/6,705.32 = 2,763/x
  3. Step 3: Cross multiply
    4,858.88x = 6,705.32 × 2,763
  4. Step 4: Simplify right side
    4,858.88x = 18,526,785.35
  5. Step 5: Solve for x
    x = 18,526,785.35/4,858.88
  6. Step 6: Final answer
    x = 3,812.98

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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.