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Finding the Fourth Proportional to 4,874.54, 7,311.82 and 1,950.80

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Solution

The fourth proportional to 4,874.54, 7,311.82 and 1,950.80 is: 2,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.54 : 7,311.82 = 1,950.80 : x
  2. Step 2: Convert to fraction form
    4,874.54/7,311.82 = 1,950.80/x
  3. Step 3: Cross multiply
    4,874.54x = 7,311.82 × 1,950.80
  4. Step 4: Simplify right side
    4,874.54x = 14,263,898.46
  5. Step 5: Solve for x
    x = 14,263,898.46/4,874.54
  6. Step 6: Final answer
    x = 2,926.20

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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.