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Finding the Fourth Proportional to 5,324.70, 7,984.26 and 2,400.48

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Solution

The fourth proportional to 5,324.70, 7,984.26 and 2,400.48 is: 3,599.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.70 : 7,984.26 = 2,400.48 : x
  2. Step 2: Convert to fraction form
    5,324.70/7,984.26 = 2,400.48/x
  3. Step 3: Cross multiply
    5,324.70x = 7,984.26 × 2,400.48
  4. Step 4: Simplify right side
    5,324.70x = 19,166,056.44
  5. Step 5: Solve for x
    x = 19,166,056.44/5,324.70
  6. Step 6: Final answer
    x = 3,599.46

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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.