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Finding the Fourth Proportional to 16,394.69, 24,586 and 5,861.87

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Solution

The fourth proportional to 16,394.69, 24,586 and 5,861.87 is: 8,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,394.69 : 24,586 = 5,861.87 : x
  2. Step 2: Convert to fraction form
    16,394.69/24,586 = 5,861.87/x
  3. Step 3: Cross multiply
    16,394.69x = 24,586 × 5,861.87
  4. Step 4: Simplify right side
    16,394.69x = 144,119,935.82
  5. Step 5: Solve for x
    x = 144,119,935.82/16,394.69
  6. Step 6: Final answer
    x = 8,790.65

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Why These Related Problems?

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