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Finding the Fourth Proportional to 3,336.60, 5,004.84 and 996.62

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Solution

The fourth proportional to 3,336.60, 5,004.84 and 996.62 is: 1,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.60 : 5,004.84 = 996.62 : x
  2. Step 2: Convert to fraction form
    3,336.60/5,004.84 = 996.62/x
  3. Step 3: Cross multiply
    3,336.60x = 5,004.84 × 996.62
  4. Step 4: Simplify right side
    3,336.60x = 4,987,898.62
  5. Step 5: Solve for x
    x = 4,987,898.62/3,336.60
  6. Step 6: Final answer
    x = 1,494.90

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1.5x scale

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.