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Finding the Fourth Proportional to 16,636.38, 22,959.54 and 9,468.54

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Solution

The fourth proportional to 16,636.38, 22,959.54 and 9,468.54 is: 13,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,636.38 : 22,959.54 = 9,468.54 : x
  2. Step 2: Convert to fraction form
    16,636.38/22,959.54 = 9,468.54/x
  3. Step 3: Cross multiply
    16,636.38x = 22,959.54 × 9,468.54
  4. Step 4: Simplify right side
    16,636.38x = 217,393,322.87
  5. Step 5: Solve for x
    x = 217,393,322.87/16,636.38
  6. Step 6: Final answer
    x = 13,067.35

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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.