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Finding the Fourth Proportional to 5,168.84, 7,132.92 and 2,810.92

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Solution

The fourth proportional to 5,168.84, 7,132.92 and 2,810.92 is: 3,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.84 : 7,132.92 = 2,810.92 : x
  2. Step 2: Convert to fraction form
    5,168.84/7,132.92 = 2,810.92/x
  3. Step 3: Cross multiply
    5,168.84x = 7,132.92 × 2,810.92
  4. Step 4: Simplify right side
    5,168.84x = 20,050,067.49
  5. Step 5: Solve for x
    x = 20,050,067.49/5,168.84
  6. Step 6: Final answer
    x = 3,879.03

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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.