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Finding the Fourth Proportional to 16,519.11, 22,796.54 and 8,965.51

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Solution

The fourth proportional to 16,519.11, 22,796.54 and 8,965.51 is: 12,372.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,519.11 : 22,796.54 = 8,965.51 : x
  2. Step 2: Convert to fraction form
    16,519.11/22,796.54 = 8,965.51/x
  3. Step 3: Cross multiply
    16,519.11x = 22,796.54 × 8,965.51
  4. Step 4: Simplify right side
    16,519.11x = 204,382,607.34
  5. Step 5: Solve for x
    x = 204,382,607.34/16,519.11
  6. Step 6: Final answer
    x = 12,372.50

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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.