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Finding the Fourth Proportional to 3,568.98, 5,352.99 and 1,620.73

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Solution

The fourth proportional to 3,568.98, 5,352.99 and 1,620.73 is: 2,430.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.98 : 5,352.99 = 1,620.73 : x
  2. Step 2: Convert to fraction form
    3,568.98/5,352.99 = 1,620.73/x
  3. Step 3: Cross multiply
    3,568.98x = 5,352.99 × 1,620.73
  4. Step 4: Simplify right side
    3,568.98x = 8,675,751.48
  5. Step 5: Solve for x
    x = 8,675,751.48/3,568.98
  6. Step 6: Final answer
    x = 2,430.88

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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.