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Finding the Fourth Proportional to 3,375.60, 5,055.57 and 3,258.80

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Solution

The fourth proportional to 3,375.60, 5,055.57 and 3,258.80 is: 4,880.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.60 : 5,055.57 = 3,258.80 : x
  2. Step 2: Convert to fraction form
    3,375.60/5,055.57 = 3,258.80/x
  3. Step 3: Cross multiply
    3,375.60x = 5,055.57 × 3,258.80
  4. Step 4: Simplify right side
    3,375.60x = 16,475,066.24
  5. Step 5: Solve for x
    x = 16,475,066.24/3,375.60
  6. Step 6: Final answer
    x = 4,880.63

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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.