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Finding the Fourth Proportional to 8,664.73, 11,957.04 and 4,887.99

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Solution

The fourth proportional to 8,664.73, 11,957.04 and 4,887.99 is: 6,745.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.73 : 11,957.04 = 4,887.99 : x
  2. Step 2: Convert to fraction form
    8,664.73/11,957.04 = 4,887.99/x
  3. Step 3: Cross multiply
    8,664.73x = 11,957.04 × 4,887.99
  4. Step 4: Simplify right side
    8,664.73x = 58,445,891.95
  5. Step 5: Solve for x
    x = 58,445,891.95/8,664.73
  6. Step 6: Final answer
    x = 6,745.27

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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.