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Finding the Fourth Proportional to 18,092.81, 27,149.88 and 7,562.03

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Solution

The fourth proportional to 18,092.81, 27,149.88 and 7,562.03 is: 11,347.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,092.81 : 27,149.88 = 7,562.03 : x
  2. Step 2: Convert to fraction form
    18,092.81/27,149.88 = 7,562.03/x
  3. Step 3: Cross multiply
    18,092.81x = 27,149.88 × 7,562.03
  4. Step 4: Simplify right side
    18,092.81x = 205,308,099.66
  5. Step 5: Solve for x
    x = 205,308,099.66/18,092.81
  6. Step 6: Final answer
    x = 11,347.50

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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.