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Finding the Fourth Proportional to 16,329.86, 22,536.70 and 9,956.81

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Solution

The fourth proportional to 16,329.86, 22,536.70 and 9,956.81 is: 13,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,329.86 : 22,536.70 = 9,956.81 : x
  2. Step 2: Convert to fraction form
    16,329.86/22,536.70 = 9,956.81/x
  3. Step 3: Cross multiply
    16,329.86x = 22,536.70 × 9,956.81
  4. Step 4: Simplify right side
    16,329.86x = 224,393,502.35
  5. Step 5: Solve for x
    x = 224,393,502.35/16,329.86
  6. Step 6: Final answer
    x = 13,741.30

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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.