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Finding the Fourth Proportional to 5,454.98, 8,183.14 and 1,756.20

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Solution

The fourth proportional to 5,454.98, 8,183.14 and 1,756.20 is: 2,634.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.98 : 8,183.14 = 1,756.20 : x
  2. Step 2: Convert to fraction form
    5,454.98/8,183.14 = 1,756.20/x
  3. Step 3: Cross multiply
    5,454.98x = 8,183.14 × 1,756.20
  4. Step 4: Simplify right side
    5,454.98x = 14,371,230.47
  5. Step 5: Solve for x
    x = 14,371,230.47/5,454.98
  6. Step 6: Final answer
    x = 2,634.52

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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.