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Finding the Fourth Proportional to 18,606.24, 27,905.04 and 6,924.96

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Solution

The fourth proportional to 18,606.24, 27,905.04 and 6,924.96 is: 10,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.24 : 27,905.04 = 6,924.96 : x
  2. Step 2: Convert to fraction form
    18,606.24/27,905.04 = 6,924.96/x
  3. Step 3: Cross multiply
    18,606.24x = 27,905.04 × 6,924.96
  4. Step 4: Simplify right side
    18,606.24x = 193,241,285.80
  5. Step 5: Solve for x
    x = 193,241,285.80/18,606.24
  6. Step 6: Final answer
    x = 10,385.83

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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.