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Finding the Fourth Proportional to 18,424.98, 27,665.19 and 11,062.41

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Solution

The fourth proportional to 18,424.98, 27,665.19 and 11,062.41 is: 16,610.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.98 : 27,665.19 = 11,062.41 : x
  2. Step 2: Convert to fraction form
    18,424.98/27,665.19 = 11,062.41/x
  3. Step 3: Cross multiply
    18,424.98x = 27,665.19 × 11,062.41
  4. Step 4: Simplify right side
    18,424.98x = 306,043,674.51
  5. Step 5: Solve for x
    x = 306,043,674.51/18,424.98
  6. Step 6: Final answer
    x = 16,610.26

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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.