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Finding the Fourth Proportional to 16,278.63, 22,456.39 and 10,964.22

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Solution

The fourth proportional to 16,278.63, 22,456.39 and 10,964.22 is: 15,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.63 : 22,456.39 = 10,964.22 : x
  2. Step 2: Convert to fraction form
    16,278.63/22,456.39 = 10,964.22/x
  3. Step 3: Cross multiply
    16,278.63x = 22,456.39 × 10,964.22
  4. Step 4: Simplify right side
    16,278.63x = 246,216,800.37
  5. Step 5: Solve for x
    x = 246,216,800.37/16,278.63
  6. Step 6: Final answer
    x = 15,125.15

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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.