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Finding the Fourth Proportional to 3,169.76, 4,755.24 and 1,589.31

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Solution

The fourth proportional to 3,169.76, 4,755.24 and 1,589.31 is: 2,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.76 : 4,755.24 = 1,589.31 : x
  2. Step 2: Convert to fraction form
    3,169.76/4,755.24 = 1,589.31/x
  3. Step 3: Cross multiply
    3,169.76x = 4,755.24 × 1,589.31
  4. Step 4: Simplify right side
    3,169.76x = 7,557,550.48
  5. Step 5: Solve for x
    x = 7,557,550.48/3,169.76
  6. Step 6: Final answer
    x = 2,384.27

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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.