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Finding the Fourth Proportional to 18,267.00, 25,208.49 and 10,200.61

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Solution

The fourth proportional to 18,267.00, 25,208.49 and 10,200.61 is: 14,076.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.00 : 25,208.49 = 10,200.61 : x
  2. Step 2: Convert to fraction form
    18,267.00/25,208.49 = 10,200.61/x
  3. Step 3: Cross multiply
    18,267.00x = 25,208.49 × 10,200.61
  4. Step 4: Simplify right side
    18,267.00x = 257,141,975.18
  5. Step 5: Solve for x
    x = 257,141,975.18/18,267.00
  6. Step 6: Final answer
    x = 14,076.86

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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.