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Finding the Fourth Proportional to 16,662.51, 24,997.01 and 8,880.03

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Solution

The fourth proportional to 16,662.51, 24,997.01 and 8,880.03 is: 13,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,662.51 : 24,997.01 = 8,880.03 : x
  2. Step 2: Convert to fraction form
    16,662.51/24,997.01 = 8,880.03/x
  3. Step 3: Cross multiply
    16,662.51x = 24,997.01 × 8,880.03
  4. Step 4: Simplify right side
    16,662.51x = 221,974,154.31
  5. Step 5: Solve for x
    x = 221,974,154.31/16,662.51
  6. Step 6: Final answer
    x = 13,321.77

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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.