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Finding the Fourth Proportional to 17,777.93, 26,674.05 and 7,910.43

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Solution

The fourth proportional to 17,777.93, 26,674.05 and 7,910.43 is: 11,868.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,777.93 : 26,674.05 = 7,910.43 : x
  2. Step 2: Convert to fraction form
    17,777.93/26,674.05 = 7,910.43/x
  3. Step 3: Cross multiply
    17,777.93x = 26,674.05 × 7,910.43
  4. Step 4: Simplify right side
    17,777.93x = 211,003,205.34
  5. Step 5: Solve for x
    x = 211,003,205.34/17,777.93
  6. Step 6: Final answer
    x = 11,868.83

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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.