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Finding the Fourth Proportional to 16,661.99, 24,991.92 and 9,180.02

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Solution

The fourth proportional to 16,661.99, 24,991.92 and 9,180.02 is: 13,769.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.99 : 24,991.92 = 9,180.02 : x
  2. Step 2: Convert to fraction form
    16,661.99/24,991.92 = 9,180.02/x
  3. Step 3: Cross multiply
    16,661.99x = 24,991.92 × 9,180.02
  4. Step 4: Simplify right side
    16,661.99x = 229,426,325.44
  5. Step 5: Solve for x
    x = 229,426,325.44/16,661.99
  6. Step 6: Final answer
    x = 13,769.44

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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.