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Finding the Fourth Proportional to 3,404.85, 4,696.02 and 2,007.60

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Solution

The fourth proportional to 3,404.85, 4,696.02 and 2,007.60 is: 2,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.85 : 4,696.02 = 2,007.60 : x
  2. Step 2: Convert to fraction form
    3,404.85/4,696.02 = 2,007.60/x
  3. Step 3: Cross multiply
    3,404.85x = 4,696.02 × 2,007.60
  4. Step 4: Simplify right side
    3,404.85x = 9,427,729.75
  5. Step 5: Solve for x
    x = 9,427,729.75/3,404.85
  6. Step 6: Final answer
    x = 2,768.91

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1.5x scale

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.