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Finding the Fourth Proportional to 10,412.54, 14,369.67 and 5,696.83

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Solution

The fourth proportional to 10,412.54, 14,369.67 and 5,696.83 is: 7,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.54 : 14,369.67 = 5,696.83 : x
  2. Step 2: Convert to fraction form
    10,412.54/14,369.67 = 5,696.83/x
  3. Step 3: Cross multiply
    10,412.54x = 14,369.67 × 5,696.83
  4. Step 4: Simplify right side
    10,412.54x = 81,861,504.28
  5. Step 5: Solve for x
    x = 81,861,504.28/10,412.54
  6. Step 6: Final answer
    x = 7,861.82

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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.