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Finding the Fourth Proportional to 17,996.61, 26,983.38 and 7,473.90

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Solution

The fourth proportional to 17,996.61, 26,983.38 and 7,473.90 is: 11,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,996.61 : 26,983.38 = 7,473.90 : x
  2. Step 2: Convert to fraction form
    17,996.61/26,983.38 = 7,473.90/x
  3. Step 3: Cross multiply
    17,996.61x = 26,983.38 × 7,473.90
  4. Step 4: Simplify right side
    17,996.61x = 201,671,083.78
  5. Step 5: Solve for x
    x = 201,671,083.78/17,996.61
  6. Step 6: Final answer
    x = 11,206.06

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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.