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Finding the Fourth Proportional to 17,216.56, 23,752.92 and 9,661.84

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Solution

The fourth proportional to 17,216.56, 23,752.92 and 9,661.84 is: 13,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,216.56 : 23,752.92 = 9,661.84 : x
  2. Step 2: Convert to fraction form
    17,216.56/23,752.92 = 9,661.84/x
  3. Step 3: Cross multiply
    17,216.56x = 23,752.92 × 9,661.84
  4. Step 4: Simplify right side
    17,216.56x = 229,496,912.57
  5. Step 5: Solve for x
    x = 229,496,912.57/17,216.56
  6. Step 6: Final answer
    x = 13,330.01

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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.