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Finding the Fourth Proportional to 16,963.88, 23,410.44 and 9,410.54

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Solution

The fourth proportional to 16,963.88, 23,410.44 and 9,410.54 is: 12,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,963.88 : 23,410.44 = 9,410.54 : x
  2. Step 2: Convert to fraction form
    16,963.88/23,410.44 = 9,410.54/x
  3. Step 3: Cross multiply
    16,963.88x = 23,410.44 × 9,410.54
  4. Step 4: Simplify right side
    16,963.88x = 220,304,764.99
  5. Step 5: Solve for x
    x = 220,304,764.99/16,963.88
  6. Step 6: Final answer
    x = 12,986.70

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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.