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Finding the Fourth Proportional to 3,366.56, 4,645.14 and 1,968.68

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Solution

The fourth proportional to 3,366.56, 4,645.14 and 1,968.68 is: 2,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.56 : 4,645.14 = 1,968.68 : x
  2. Step 2: Convert to fraction form
    3,366.56/4,645.14 = 1,968.68/x
  3. Step 3: Cross multiply
    3,366.56x = 4,645.14 × 1,968.68
  4. Step 4: Simplify right side
    3,366.56x = 9,144,794.22
  5. Step 5: Solve for x
    x = 9,144,794.22/3,366.56
  6. Step 6: Final answer
    x = 2,716.36

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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.