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Finding the Fourth Proportional to 16,651.08, 24,978.06 and 6,791.04

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Solution

The fourth proportional to 16,651.08, 24,978.06 and 6,791.04 is: 10,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,651.08 : 24,978.06 = 6,791.04 : x
  2. Step 2: Convert to fraction form
    16,651.08/24,978.06 = 6,791.04/x
  3. Step 3: Cross multiply
    16,651.08x = 24,978.06 × 6,791.04
  4. Step 4: Simplify right side
    16,651.08x = 169,627,004.58
  5. Step 5: Solve for x
    x = 169,627,004.58/16,651.08
  6. Step 6: Final answer
    x = 10,187.15

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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.