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Finding the Fourth Proportional to 11,550.84, 17,324.40 and 3,230

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Solution

The fourth proportional to 11,550.84, 17,324.40 and 3,230 is: 4,844.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.84 : 17,324.40 = 3,230 : x
  2. Step 2: Convert to fraction form
    11,550.84/17,324.40 = 3,230/x
  3. Step 3: Cross multiply
    11,550.84x = 17,324.40 × 3,230
  4. Step 4: Simplify right side
    11,550.84x = 55,957,812.00
  5. Step 5: Solve for x
    x = 55,957,812.00/11,550.84
  6. Step 6: Final answer
    x = 4,844.48

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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.