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Finding the Fourth Proportional to 5,402.99, 7,456.41 and 3,165.03

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Solution

The fourth proportional to 5,402.99, 7,456.41 and 3,165.03 is: 4,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.99 : 7,456.41 = 3,165.03 : x
  2. Step 2: Convert to fraction form
    5,402.99/7,456.41 = 3,165.03/x
  3. Step 3: Cross multiply
    5,402.99x = 7,456.41 × 3,165.03
  4. Step 4: Simplify right side
    5,402.99x = 23,599,761.34
  5. Step 5: Solve for x
    x = 23,599,761.34/5,402.99
  6. Step 6: Final answer
    x = 4,367.91

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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.