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Finding the Fourth Proportional to 4,696.76, 7,046.08 and 2,099.68

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Solution

The fourth proportional to 4,696.76, 7,046.08 and 2,099.68 is: 3,149.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,696.76 : 7,046.08 = 2,099.68 : x
  2. Step 2: Convert to fraction form
    4,696.76/7,046.08 = 2,099.68/x
  3. Step 3: Cross multiply
    4,696.76x = 7,046.08 × 2,099.68
  4. Step 4: Simplify right side
    4,696.76x = 14,794,513.25
  5. Step 5: Solve for x
    x = 14,794,513.25/4,696.76
  6. Step 6: Final answer
    x = 3,149.94

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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.