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Finding the Fourth Proportional to 5,811.88, 8,716.74 and 2,303.44

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Solution

The fourth proportional to 5,811.88, 8,716.74 and 2,303.44 is: 3,454.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.88 : 8,716.74 = 2,303.44 : x
  2. Step 2: Convert to fraction form
    5,811.88/8,716.74 = 2,303.44/x
  3. Step 3: Cross multiply
    5,811.88x = 8,716.74 × 2,303.44
  4. Step 4: Simplify right side
    5,811.88x = 20,078,487.59
  5. Step 5: Solve for x
    x = 20,078,487.59/5,811.88
  6. Step 6: Final answer
    x = 3,454.73

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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.