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Finding the Fourth Proportional to 16,797.10, 23,178.90 and 9,241.96

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Solution

The fourth proportional to 16,797.10, 23,178.90 and 9,241.96 is: 12,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,797.10 : 23,178.90 = 9,241.96 : x
  2. Step 2: Convert to fraction form
    16,797.10/23,178.90 = 9,241.96/x
  3. Step 3: Cross multiply
    16,797.10x = 23,178.90 × 9,241.96
  4. Step 4: Simplify right side
    16,797.10x = 214,218,466.64
  5. Step 5: Solve for x
    x = 214,218,466.64/16,797.10
  6. Step 6: Final answer
    x = 12,753.30

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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.