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Finding the Fourth Proportional to 5,473.71, 8,211.86 and 1,775.94

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Solution

The fourth proportional to 5,473.71, 8,211.86 and 1,775.94 is: 2,664.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473.71 : 8,211.86 = 1,775.94 : x
  2. Step 2: Convert to fraction form
    5,473.71/8,211.86 = 1,775.94/x
  3. Step 3: Cross multiply
    5,473.71x = 8,211.86 × 1,775.94
  4. Step 4: Simplify right side
    5,473.71x = 14,583,770.65
  5. Step 5: Solve for x
    x = 14,583,770.65/5,473.71
  6. Step 6: Final answer
    x = 2,664.33

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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.