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Finding the Fourth Proportional to 5,876.12, 8,109.41 and 3,883.18

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Solution

The fourth proportional to 5,876.12, 8,109.41 and 3,883.18 is: 5,359.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,876.12 : 8,109.41 = 3,883.18 : x
  2. Step 2: Convert to fraction form
    5,876.12/8,109.41 = 3,883.18/x
  3. Step 3: Cross multiply
    5,876.12x = 8,109.41 × 3,883.18
  4. Step 4: Simplify right side
    5,876.12x = 31,490,298.72
  5. Step 5: Solve for x
    x = 31,490,298.72/5,876.12
  6. Step 6: Final answer
    x = 5,359.03

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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.