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Finding the Fourth Proportional to 5,591.66, 8,388.86 and 3,951.41

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Solution

The fourth proportional to 5,591.66, 8,388.86 and 3,951.41 is: 5,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.66 : 8,388.86 = 3,951.41 : x
  2. Step 2: Convert to fraction form
    5,591.66/8,388.86 = 3,951.41/x
  3. Step 3: Cross multiply
    5,591.66x = 8,388.86 × 3,951.41
  4. Step 4: Simplify right side
    5,591.66x = 33,147,825.29
  5. Step 5: Solve for x
    x = 33,147,825.29/5,591.66
  6. Step 6: Final answer
    x = 5,928.08

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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.