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Finding the Fourth Proportional to 16,426.82, 22,669.02 and 8,974.82

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Solution

The fourth proportional to 16,426.82, 22,669.02 and 8,974.82 is: 12,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,426.82 : 22,669.02 = 8,974.82 : x
  2. Step 2: Convert to fraction form
    16,426.82/22,669.02 = 8,974.82/x
  3. Step 3: Cross multiply
    16,426.82x = 22,669.02 × 8,974.82
  4. Step 4: Simplify right side
    16,426.82x = 203,450,374.08
  5. Step 5: Solve for x
    x = 203,450,374.08/16,426.82
  6. Step 6: Final answer
    x = 12,385.26

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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.