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Finding the Fourth Proportional to 20,059.16, 27,675.37 and 11,560.13

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Solution

The fourth proportional to 20,059.16, 27,675.37 and 11,560.13 is: 15,949.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,059.16 : 27,675.37 = 11,560.13 : x
  2. Step 2: Convert to fraction form
    20,059.16/27,675.37 = 11,560.13/x
  3. Step 3: Cross multiply
    20,059.16x = 27,675.37 × 11,560.13
  4. Step 4: Simplify right side
    20,059.16x = 319,930,826.36
  5. Step 5: Solve for x
    x = 319,930,826.36/20,059.16
  6. Step 6: Final answer
    x = 15,949.36

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