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Finding the Fourth Proportional to 5,878.77, 8,821.59 and 2,183.56

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Solution

The fourth proportional to 5,878.77, 8,821.59 and 2,183.56 is: 3,276.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.77 : 8,821.59 = 2,183.56 : x
  2. Step 2: Convert to fraction form
    5,878.77/8,821.59 = 2,183.56/x
  3. Step 3: Cross multiply
    5,878.77x = 8,821.59 × 2,183.56
  4. Step 4: Simplify right side
    5,878.77x = 19,262,471.06
  5. Step 5: Solve for x
    x = 19,262,471.06/5,878.77
  6. Step 6: Final answer
    x = 3,276.62

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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.