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Finding the Fourth Proportional to 3,375.60, 5,062.64 and 1,730.08

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Solution

The fourth proportional to 3,375.60, 5,062.64 and 1,730.08 is: 2,594.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.60 : 5,062.64 = 1,730.08 : x
  2. Step 2: Convert to fraction form
    3,375.60/5,062.64 = 1,730.08/x
  3. Step 3: Cross multiply
    3,375.60x = 5,062.64 × 1,730.08
  4. Step 4: Simplify right side
    3,375.60x = 8,758,772.21
  5. Step 5: Solve for x
    x = 8,758,772.21/3,375.60
  6. Step 6: Final answer
    x = 2,594.73

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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.