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Finding the Fourth Proportional to 5,555.66, 8,327.66 and 2,591.66

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Solution

The fourth proportional to 5,555.66, 8,327.66 and 2,591.66 is: 3,884.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.66 : 8,327.66 = 2,591.66 : x
  2. Step 2: Convert to fraction form
    5,555.66/8,327.66 = 2,591.66/x
  3. Step 3: Cross multiply
    5,555.66x = 8,327.66 × 2,591.66
  4. Step 4: Simplify right side
    5,555.66x = 21,582,408.72
  5. Step 5: Solve for x
    x = 21,582,408.72/5,555.66
  6. Step 6: Final answer
    x = 3,884.76

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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.