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Finding the Fourth Proportional to 10,406.95, 14,359.98 and 5,930.89

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Solution

The fourth proportional to 10,406.95, 14,359.98 and 5,930.89 is: 8,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.95 : 14,359.98 = 5,930.89 : x
  2. Step 2: Convert to fraction form
    10,406.95/14,359.98 = 5,930.89/x
  3. Step 3: Cross multiply
    10,406.95x = 14,359.98 × 5,930.89
  4. Step 4: Simplify right side
    10,406.95x = 85,167,461.78
  5. Step 5: Solve for x
    x = 85,167,461.78/10,406.95
  6. Step 6: Final answer
    x = 8,183.71

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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.