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Finding the Fourth Proportional to 16,651.79, 22,979.21 and 9,097.96

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Solution

The fourth proportional to 16,651.79, 22,979.21 and 9,097.96 is: 12,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,651.79 : 22,979.21 = 9,097.96 : x
  2. Step 2: Convert to fraction form
    16,651.79/22,979.21 = 9,097.96/x
  3. Step 3: Cross multiply
    16,651.79x = 22,979.21 × 9,097.96
  4. Step 4: Simplify right side
    16,651.79x = 209,063,830.47
  5. Step 5: Solve for x
    x = 209,063,830.47/16,651.79
  6. Step 6: Final answer
    x = 12,555.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.