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Finding the Fourth Proportional to 16,913.09, 25,369.11 and 8,034.81

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Solution

The fourth proportional to 16,913.09, 25,369.11 and 8,034.81 is: 12,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.09 : 25,369.11 = 8,034.81 : x
  2. Step 2: Convert to fraction form
    16,913.09/25,369.11 = 8,034.81/x
  3. Step 3: Cross multiply
    16,913.09x = 25,369.11 × 8,034.81
  4. Step 4: Simplify right side
    16,913.09x = 203,836,056.42
  5. Step 5: Solve for x
    x = 203,836,056.42/16,913.09
  6. Step 6: Final answer
    x = 12,051.97

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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.