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Finding the Fourth Proportional to 5,546.88, 8,313.84 and 2,949.12

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Solution

The fourth proportional to 5,546.88, 8,313.84 and 2,949.12 is: 4,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,546.88 : 8,313.84 = 2,949.12 : x
  2. Step 2: Convert to fraction form
    5,546.88/8,313.84 = 2,949.12/x
  3. Step 3: Cross multiply
    5,546.88x = 8,313.84 × 2,949.12
  4. Step 4: Simplify right side
    5,546.88x = 24,518,511.82
  5. Step 5: Solve for x
    x = 24,518,511.82/5,546.88
  6. Step 6: Final answer
    x = 4,420.23

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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.