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Finding the Fourth Proportional to 16,796.80, 25,206.60 and 6,936.04

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Solution

The fourth proportional to 16,796.80, 25,206.60 and 6,936.04 is: 10,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,796.80 : 25,206.60 = 6,936.04 : x
  2. Step 2: Convert to fraction form
    16,796.80/25,206.60 = 6,936.04/x
  3. Step 3: Cross multiply
    16,796.80x = 25,206.60 × 6,936.04
  4. Step 4: Simplify right side
    16,796.80x = 174,833,985.86
  5. Step 5: Solve for x
    x = 174,833,985.86/16,796.80
  6. Step 6: Final answer
    x = 10,408.77

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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.