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Finding the Fourth Proportional to 11,610.92, 17,426.28 and 5,042.36

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Solution

The fourth proportional to 11,610.92, 17,426.28 and 5,042.36 is: 7,567.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,610.92 : 17,426.28 = 5,042.36 : x
  2. Step 2: Convert to fraction form
    11,610.92/17,426.28 = 5,042.36/x
  3. Step 3: Cross multiply
    11,610.92x = 17,426.28 × 5,042.36
  4. Step 4: Simplify right side
    11,610.92x = 87,869,577.22
  5. Step 5: Solve for x
    x = 87,869,577.22/11,610.92
  6. Step 6: Final answer
    x = 7,567.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.