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Finding the Fourth Proportional to 8,482.56, 12,722.76 and 3,284.88

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Solution

The fourth proportional to 8,482.56, 12,722.76 and 3,284.88 is: 4,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.56 : 12,722.76 = 3,284.88 : x
  2. Step 2: Convert to fraction form
    8,482.56/12,722.76 = 3,284.88/x
  3. Step 3: Cross multiply
    8,482.56x = 12,722.76 × 3,284.88
  4. Step 4: Simplify right side
    8,482.56x = 41,792,739.87
  5. Step 5: Solve for x
    x = 41,792,739.87/8,482.56
  6. Step 6: Final answer
    x = 4,926.90

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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.