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Finding the Fourth Proportional to 17,805.02, 26,713.80 and 11,133.79

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Solution

The fourth proportional to 17,805.02, 26,713.80 and 11,133.79 is: 16,704.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,805.02 : 26,713.80 = 11,133.79 : x
  2. Step 2: Convert to fraction form
    17,805.02/26,713.80 = 11,133.79/x
  3. Step 3: Cross multiply
    17,805.02x = 26,713.80 × 11,133.79
  4. Step 4: Simplify right side
    17,805.02x = 297,425,772.52
  5. Step 5: Solve for x
    x = 297,425,772.52/17,805.02
  6. Step 6: Final answer
    x = 16,704.61

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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.