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Finding the Fourth Proportional to 3,832.96, 5,288.98 and 2,153.92

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Solution

The fourth proportional to 3,832.96, 5,288.98 and 2,153.92 is: 2,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.96 : 5,288.98 = 2,153.92 : x
  2. Step 2: Convert to fraction form
    3,832.96/5,288.98 = 2,153.92/x
  3. Step 3: Cross multiply
    3,832.96x = 5,288.98 × 2,153.92
  4. Step 4: Simplify right side
    3,832.96x = 11,392,039.80
  5. Step 5: Solve for x
    x = 11,392,039.80/3,832.96
  6. Step 6: Final answer
    x = 2,972.13

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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.