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Finding the Fourth Proportional to 5,544.64, 8,312.80 and 1,844.80

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Solution

The fourth proportional to 5,544.64, 8,312.80 and 1,844.80 is: 2,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,544.64 : 8,312.80 = 1,844.80 : x
  2. Step 2: Convert to fraction form
    5,544.64/8,312.80 = 1,844.80/x
  3. Step 3: Cross multiply
    5,544.64x = 8,312.80 × 1,844.80
  4. Step 4: Simplify right side
    5,544.64x = 15,335,453.44
  5. Step 5: Solve for x
    x = 15,335,453.44/5,544.64
  6. Step 6: Final answer
    x = 2,765.82

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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.