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Finding the Fourth Proportional to 18,606.37, 27,914.11 and 9,250.79

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Solution

The fourth proportional to 18,606.37, 27,914.11 and 9,250.79 is: 13,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.37 : 27,914.11 = 9,250.79 : x
  2. Step 2: Convert to fraction form
    18,606.37/27,914.11 = 9,250.79/x
  3. Step 3: Cross multiply
    18,606.37x = 27,914.11 × 9,250.79
  4. Step 4: Simplify right side
    18,606.37x = 258,227,569.65
  5. Step 5: Solve for x
    x = 258,227,569.65/18,606.37
  6. Step 6: Final answer
    x = 13,878.45

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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.