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Finding the Fourth Proportional to 3,739.39, 5,608.67 and 966.08

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Solution

The fourth proportional to 3,739.39, 5,608.67 and 966.08 is: 1,449.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.39 : 5,608.67 = 966.08 : x
  2. Step 2: Convert to fraction form
    3,739.39/5,608.67 = 966.08/x
  3. Step 3: Cross multiply
    3,739.39x = 5,608.67 × 966.08
  4. Step 4: Simplify right side
    3,739.39x = 5,418,404.27
  5. Step 5: Solve for x
    x = 5,418,404.27/3,739.39
  6. Step 6: Final answer
    x = 1,449.01

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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.