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Finding the Fourth Proportional to 17,086.80, 25,633.80 and 6,698.52

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Solution

The fourth proportional to 17,086.80, 25,633.80 and 6,698.52 is: 10,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,086.80 : 25,633.80 = 6,698.52 : x
  2. Step 2: Convert to fraction form
    17,086.80/25,633.80 = 6,698.52/x
  3. Step 3: Cross multiply
    17,086.80x = 25,633.80 × 6,698.52
  4. Step 4: Simplify right side
    17,086.80x = 171,708,521.98
  5. Step 5: Solve for x
    x = 171,708,521.98/17,086.80
  6. Step 6: Final answer
    x = 10,049.19

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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.