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Finding the Fourth Proportional to 4,799.44, 7,200.24 and 1,336.96

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Solution

The fourth proportional to 4,799.44, 7,200.24 and 1,336.96 is: 2,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.44 : 7,200.24 = 1,336.96 : x
  2. Step 2: Convert to fraction form
    4,799.44/7,200.24 = 1,336.96/x
  3. Step 3: Cross multiply
    4,799.44x = 7,200.24 × 1,336.96
  4. Step 4: Simplify right side
    4,799.44x = 9,626,432.87
  5. Step 5: Solve for x
    x = 9,626,432.87/4,799.44
  6. Step 6: Final answer
    x = 2,005.74

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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.