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Finding the Fourth Proportional to 3,367.33, 5,051.12 and 1,721.95

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Solution

The fourth proportional to 3,367.33, 5,051.12 and 1,721.95 is: 2,582.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.33 : 5,051.12 = 1,721.95 : x
  2. Step 2: Convert to fraction form
    3,367.33/5,051.12 = 1,721.95/x
  3. Step 3: Cross multiply
    3,367.33x = 5,051.12 × 1,721.95
  4. Step 4: Simplify right side
    3,367.33x = 8,697,754.85
  5. Step 5: Solve for x
    x = 8,697,754.85/3,367.33
  6. Step 6: Final answer
    x = 2,582.98

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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.