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Finding the Fourth Proportional to 17,759.98, 26,633.00 and 6,660.61

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Solution

The fourth proportional to 17,759.98, 26,633.00 and 6,660.61 is: 9,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,759.98 : 26,633.00 = 6,660.61 : x
  2. Step 2: Convert to fraction form
    17,759.98/26,633.00 = 6,660.61/x
  3. Step 3: Cross multiply
    17,759.98x = 26,633.00 × 6,660.61
  4. Step 4: Simplify right side
    17,759.98x = 177,392,109.36
  5. Step 5: Solve for x
    x = 177,392,109.36/17,759.98
  6. Step 6: Final answer
    x = 9,988.31

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1.5x scale

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.