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Finding the Fourth Proportional to 8,871.92, 12,243.81 and 4,893.04

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Solution

The fourth proportional to 8,871.92, 12,243.81 and 4,893.04 is: 6,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.92 : 12,243.81 = 4,893.04 : x
  2. Step 2: Convert to fraction form
    8,871.92/12,243.81 = 4,893.04/x
  3. Step 3: Cross multiply
    8,871.92x = 12,243.81 × 4,893.04
  4. Step 4: Simplify right side
    8,871.92x = 59,909,452.08
  5. Step 5: Solve for x
    x = 59,909,452.08/8,871.92
  6. Step 6: Final answer
    x = 6,752.70

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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.