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Finding the Fourth Proportional to 4,798.92, 7,198.38 and 1,336.08

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Solution

The fourth proportional to 4,798.92, 7,198.38 and 1,336.08 is: 2,004.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798.92 : 7,198.38 = 1,336.08 : x
  2. Step 2: Convert to fraction form
    4,798.92/7,198.38 = 1,336.08/x
  3. Step 3: Cross multiply
    4,798.92x = 7,198.38 × 1,336.08
  4. Step 4: Simplify right side
    4,798.92x = 9,617,611.55
  5. Step 5: Solve for x
    x = 9,617,611.55/4,798.92
  6. Step 6: Final answer
    x = 2,004.12

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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.