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Finding the Fourth Proportional to 7,863.86, 10,852.34 and 4,327.29

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Solution

The fourth proportional to 7,863.86, 10,852.34 and 4,327.29 is: 5,971.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.86 : 10,852.34 = 4,327.29 : x
  2. Step 2: Convert to fraction form
    7,863.86/10,852.34 = 4,327.29/x
  3. Step 3: Cross multiply
    7,863.86x = 10,852.34 × 4,327.29
  4. Step 4: Simplify right side
    7,863.86x = 46,961,200.72
  5. Step 5: Solve for x
    x = 46,961,200.72/7,863.86
  6. Step 6: Final answer
    x = 5,971.78

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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.