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Finding the Fourth Proportional to 14,609.93, 20,161.91 and 8,322.17

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Solution

The fourth proportional to 14,609.93, 20,161.91 and 8,322.17 is: 11,484.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.93 : 20,161.91 = 8,322.17 : x
  2. Step 2: Convert to fraction form
    14,609.93/20,161.91 = 8,322.17/x
  3. Step 3: Cross multiply
    14,609.93x = 20,161.91 × 8,322.17
  4. Step 4: Simplify right side
    14,609.93x = 167,790,762.54
  5. Step 5: Solve for x
    x = 167,790,762.54/14,609.93
  6. Step 6: Final answer
    x = 11,484.71

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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.