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Finding the Fourth Proportional to 17,372.94, 23,974.97 and 9,415.50

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Solution

The fourth proportional to 17,372.94, 23,974.97 and 9,415.50 is: 12,993.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,372.94 : 23,974.97 = 9,415.50 : x
  2. Step 2: Convert to fraction form
    17,372.94/23,974.97 = 9,415.50/x
  3. Step 3: Cross multiply
    17,372.94x = 23,974.97 × 9,415.50
  4. Step 4: Simplify right side
    17,372.94x = 225,736,282.96
  5. Step 5: Solve for x
    x = 225,736,282.96/17,372.94
  6. Step 6: Final answer
    x = 12,993.56

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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.