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Finding the Fourth Proportional to 16,651.69, 22,979.55 and 9,097.99

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Solution

The fourth proportional to 16,651.69, 22,979.55 and 9,097.99 is: 12,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,651.69 : 22,979.55 = 9,097.99 : x
  2. Step 2: Convert to fraction form
    16,651.69/22,979.55 = 9,097.99/x
  3. Step 3: Cross multiply
    16,651.69x = 22,979.55 × 9,097.99
  4. Step 4: Simplify right side
    16,651.69x = 209,067,716.10
  5. Step 5: Solve for x
    x = 209,067,716.10/16,651.69
  6. Step 6: Final answer
    x = 12,555.35

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1.5x scale

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.