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Finding the Fourth Proportional to 16,676.88, 25,020.31 and 9,655.26

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Solution

The fourth proportional to 16,676.88, 25,020.31 and 9,655.26 is: 14,485.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,676.88 : 25,020.31 = 9,655.26 : x
  2. Step 2: Convert to fraction form
    16,676.88/25,020.31 = 9,655.26/x
  3. Step 3: Cross multiply
    16,676.88x = 25,020.31 × 9,655.26
  4. Step 4: Simplify right side
    16,676.88x = 241,577,598.33
  5. Step 5: Solve for x
    x = 241,577,598.33/16,676.88
  6. Step 6: Final answer
    x = 14,485.78

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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.