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Finding the Fourth Proportional to 10,178.15, 14,046.89 and 5,871.41

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Solution

The fourth proportional to 10,178.15, 14,046.89 and 5,871.41 is: 8,103.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.15 : 14,046.89 = 5,871.41 : x
  2. Step 2: Convert to fraction form
    10,178.15/14,046.89 = 5,871.41/x
  3. Step 3: Cross multiply
    10,178.15x = 14,046.89 × 5,871.41
  4. Step 4: Simplify right side
    10,178.15x = 82,474,950.82
  5. Step 5: Solve for x
    x = 82,474,950.82/10,178.15
  6. Step 6: Final answer
    x = 8,103.14

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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.