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Finding the Fourth Proportional to 16,300.80, 22,495.08 and 9,226.80

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Solution

The fourth proportional to 16,300.80, 22,495.08 and 9,226.80 is: 12,732.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,300.80 : 22,495.08 = 9,226.80 : x
  2. Step 2: Convert to fraction form
    16,300.80/22,495.08 = 9,226.80/x
  3. Step 3: Cross multiply
    16,300.80x = 22,495.08 × 9,226.80
  4. Step 4: Simplify right side
    16,300.80x = 207,557,604.14
  5. Step 5: Solve for x
    x = 207,557,604.14/16,300.80
  6. Step 6: Final answer
    x = 12,732.97

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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.