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Finding the Fourth Proportional to 8,893.85, 13,348.44 and 4,949.05

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Solution

The fourth proportional to 8,893.85, 13,348.44 and 4,949.05 is: 7,427.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.85 : 13,348.44 = 4,949.05 : x
  2. Step 2: Convert to fraction form
    8,893.85/13,348.44 = 4,949.05/x
  3. Step 3: Cross multiply
    8,893.85x = 13,348.44 × 4,949.05
  4. Step 4: Simplify right side
    8,893.85x = 66,062,096.98
  5. Step 5: Solve for x
    x = 66,062,096.98/8,893.85
  6. Step 6: Final answer
    x = 7,427.84

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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.