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Finding the Fourth Proportional to 8,738.35, 12,056.29 and 7,896.35

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Solution

The fourth proportional to 8,738.35, 12,056.29 and 7,896.35 is: 10,894.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.35 : 12,056.29 = 7,896.35 : x
  2. Step 2: Convert to fraction form
    8,738.35/12,056.29 = 7,896.35/x
  3. Step 3: Cross multiply
    8,738.35x = 12,056.29 × 7,896.35
  4. Step 4: Simplify right side
    8,738.35x = 95,200,685.54
  5. Step 5: Solve for x
    x = 95,200,685.54/8,738.35
  6. Step 6: Final answer
    x = 10,894.58

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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.