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Finding the Fourth Proportional to 5,121.99, 7,674.35 and 3,733.38

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Solution

The fourth proportional to 5,121.99, 7,674.35 and 3,733.38 is: 5,593.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.99 : 7,674.35 = 3,733.38 : x
  2. Step 2: Convert to fraction form
    5,121.99/7,674.35 = 3,733.38/x
  3. Step 3: Cross multiply
    5,121.99x = 7,674.35 × 3,733.38
  4. Step 4: Simplify right side
    5,121.99x = 28,651,246.14
  5. Step 5: Solve for x
    x = 28,651,246.14/5,121.99
  6. Step 6: Final answer
    x = 5,593.77

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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.