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Finding the Fourth Proportional to 5,778.54, 8,664.17 and 2,489.94

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Solution

The fourth proportional to 5,778.54, 8,664.17 and 2,489.94 is: 3,733.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.54 : 8,664.17 = 2,489.94 : x
  2. Step 2: Convert to fraction form
    5,778.54/8,664.17 = 2,489.94/x
  3. Step 3: Cross multiply
    5,778.54x = 8,664.17 × 2,489.94
  4. Step 4: Simplify right side
    5,778.54x = 21,573,251.00
  5. Step 5: Solve for x
    x = 21,573,251.00/5,778.54
  6. Step 6: Final answer
    x = 3,733.34

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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.