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Finding the Fourth Proportional to 17,756.88, 26,648.64 and 6,674.48

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Solution

The fourth proportional to 17,756.88, 26,648.64 and 6,674.48 is: 10,016.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,756.88 : 26,648.64 = 6,674.48 : x
  2. Step 2: Convert to fraction form
    17,756.88/26,648.64 = 6,674.48/x
  3. Step 3: Cross multiply
    17,756.88x = 26,648.64 × 6,674.48
  4. Step 4: Simplify right side
    17,756.88x = 177,865,814.71
  5. Step 5: Solve for x
    x = 177,865,814.71/17,756.88
  6. Step 6: Final answer
    x = 10,016.73

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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.