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Finding the Fourth Proportional to 3,739.60, 5,598.60 and 3,350.80

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Solution

The fourth proportional to 3,739.60, 5,598.60 and 3,350.80 is: 5,016.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.60 : 5,598.60 = 3,350.80 : x
  2. Step 2: Convert to fraction form
    3,739.60/5,598.60 = 3,350.80/x
  3. Step 3: Cross multiply
    3,739.60x = 5,598.60 × 3,350.80
  4. Step 4: Simplify right side
    3,739.60x = 18,759,788.88
  5. Step 5: Solve for x
    x = 18,759,788.88/3,739.60
  6. Step 6: Final answer
    x = 5,016.52

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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.