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Finding the Fourth Proportional to 10,876.28, 16,313.46 and 3,950.84

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Solution

The fourth proportional to 10,876.28, 16,313.46 and 3,950.84 is: 5,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.28 : 16,313.46 = 3,950.84 : x
  2. Step 2: Convert to fraction form
    10,876.28/16,313.46 = 3,950.84/x
  3. Step 3: Cross multiply
    10,876.28x = 16,313.46 × 3,950.84
  4. Step 4: Simplify right side
    10,876.28x = 64,451,870.31
  5. Step 5: Solve for x
    x = 64,451,870.31/10,876.28
  6. Step 6: Final answer
    x = 5,925.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.