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Finding the Fourth Proportional to 17,672.10, 26,508.15 and 7,816.02

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Solution

The fourth proportional to 17,672.10, 26,508.15 and 7,816.02 is: 11,724.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.10 : 26,508.15 = 7,816.02 : x
  2. Step 2: Convert to fraction form
    17,672.10/26,508.15 = 7,816.02/x
  3. Step 3: Cross multiply
    17,672.10x = 26,508.15 × 7,816.02
  4. Step 4: Simplify right side
    17,672.10x = 207,188,230.56
  5. Step 5: Solve for x
    x = 207,188,230.56/17,672.10
  6. Step 6: Final answer
    x = 11,724.03

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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.