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Finding the Fourth Proportional to 12,083.51, 16,676.38 and 7,047.34

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Solution

The fourth proportional to 12,083.51, 16,676.38 and 7,047.34 is: 9,725.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.51 : 16,676.38 = 7,047.34 : x
  2. Step 2: Convert to fraction form
    12,083.51/16,676.38 = 7,047.34/x
  3. Step 3: Cross multiply
    12,083.51x = 16,676.38 × 7,047.34
  4. Step 4: Simplify right side
    12,083.51x = 117,524,086.95
  5. Step 5: Solve for x
    x = 117,524,086.95/12,083.51
  6. Step 6: Final answer
    x = 9,725.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.