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Finding the Fourth Proportional to 7,380.84, 10,185.39 and 4,023.52

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Solution

The fourth proportional to 7,380.84, 10,185.39 and 4,023.52 is: 5,552.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.84 : 10,185.39 = 4,023.52 : x
  2. Step 2: Convert to fraction form
    7,380.84/10,185.39 = 4,023.52/x
  3. Step 3: Cross multiply
    7,380.84x = 10,185.39 × 4,023.52
  4. Step 4: Simplify right side
    7,380.84x = 40,981,120.37
  5. Step 5: Solve for x
    x = 40,981,120.37/7,380.84
  6. Step 6: Final answer
    x = 5,552.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.