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Finding the Fourth Proportional to 11,713.16, 17,611.89 and 10,799.89

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Solution

The fourth proportional to 11,713.16, 17,611.89 and 10,799.89 is: 16,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.16 : 17,611.89 = 10,799.89 : x
  2. Step 2: Convert to fraction form
    11,713.16/17,611.89 = 10,799.89/x
  3. Step 3: Cross multiply
    11,713.16x = 17,611.89 × 10,799.89
  4. Step 4: Simplify right side
    11,713.16x = 190,206,386.63
  5. Step 5: Solve for x
    x = 190,206,386.63/11,713.16
  6. Step 6: Final answer
    x = 16,238.69

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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.