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Finding the Fourth Proportional to 5,786.94, 8,679.87 and 2,867.16

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Solution

The fourth proportional to 5,786.94, 8,679.87 and 2,867.16 is: 4,300.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.94 : 8,679.87 = 2,867.16 : x
  2. Step 2: Convert to fraction form
    5,786.94/8,679.87 = 2,867.16/x
  3. Step 3: Cross multiply
    5,786.94x = 8,679.87 × 2,867.16
  4. Step 4: Simplify right side
    5,786.94x = 24,886,576.07
  5. Step 5: Solve for x
    x = 24,886,576.07/5,786.94
  6. Step 6: Final answer
    x = 4,300.47

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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.