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Finding the Fourth Proportional to 16,679.88, 25,010.58 and 6,826.08

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Solution

The fourth proportional to 16,679.88, 25,010.58 and 6,826.08 is: 10,235.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.88 : 25,010.58 = 6,826.08 : x
  2. Step 2: Convert to fraction form
    16,679.88/25,010.58 = 6,826.08/x
  3. Step 3: Cross multiply
    16,679.88x = 25,010.58 × 6,826.08
  4. Step 4: Simplify right side
    16,679.88x = 170,724,219.93
  5. Step 5: Solve for x
    x = 170,724,219.93/16,679.88
  6. Step 6: Final answer
    x = 10,235.34

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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.