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Finding the Fourth Proportional to 11,632.29, 16,043.96 and 7,379.69

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Solution

The fourth proportional to 11,632.29, 16,043.96 and 7,379.69 is: 10,178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,632.29 : 16,043.96 = 7,379.69 : x
  2. Step 2: Convert to fraction form
    11,632.29/16,043.96 = 7,379.69/x
  3. Step 3: Cross multiply
    11,632.29x = 16,043.96 × 7,379.69
  4. Step 4: Simplify right side
    11,632.29x = 118,399,389.40
  5. Step 5: Solve for x
    x = 118,399,389.40/11,632.29
  6. Step 6: Final answer
    x = 10,178.51

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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.