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Finding the Fourth Proportional to 16,753.90, 25,131.04 and 4,273.90

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Solution

The fourth proportional to 16,753.90, 25,131.04 and 4,273.90 is: 6,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,753.90 : 25,131.04 = 4,273.90 : x
  2. Step 2: Convert to fraction form
    16,753.90/25,131.04 = 4,273.90/x
  3. Step 3: Cross multiply
    16,753.90x = 25,131.04 × 4,273.90
  4. Step 4: Simplify right side
    16,753.90x = 107,407,551.86
  5. Step 5: Solve for x
    x = 107,407,551.86/16,753.90
  6. Step 6: Final answer
    x = 6,410.90

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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.