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Finding the Fourth Proportional to 3,404.60, 4,696.08 and 2,748.52

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Solution

The fourth proportional to 3,404.60, 4,696.08 and 2,748.52 is: 3,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.60 : 4,696.08 = 2,748.52 : x
  2. Step 2: Convert to fraction form
    3,404.60/4,696.08 = 2,748.52/x
  3. Step 3: Cross multiply
    3,404.60x = 4,696.08 × 2,748.52
  4. Step 4: Simplify right side
    3,404.60x = 12,907,269.80
  5. Step 5: Solve for x
    x = 12,907,269.80/3,404.60
  6. Step 6: Final answer
    x = 3,791.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.