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Finding the Fourth Proportional to 11,998.51, 17,996.54 and 3,234.31

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Solution

The fourth proportional to 11,998.51, 17,996.54 and 3,234.31 is: 4,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.51 : 17,996.54 = 3,234.31 : x
  2. Step 2: Convert to fraction form
    11,998.51/17,996.54 = 3,234.31/x
  3. Step 3: Cross multiply
    11,998.51x = 17,996.54 × 3,234.31
  4. Step 4: Simplify right side
    11,998.51x = 58,206,352.38
  5. Step 5: Solve for x
    x = 58,206,352.38/11,998.51
  6. Step 6: Final answer
    x = 4,851.13

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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.