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Finding the Fourth Proportional to 17,212.57, 23,754.58 and 9,659.63

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Solution

The fourth proportional to 17,212.57, 23,754.58 and 9,659.63 is: 13,330.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.57 : 23,754.58 = 9,659.63 : x
  2. Step 2: Convert to fraction form
    17,212.57/23,754.58 = 9,659.63/x
  3. Step 3: Cross multiply
    17,212.57x = 23,754.58 × 9,659.63
  4. Step 4: Simplify right side
    17,212.57x = 229,460,488.84
  5. Step 5: Solve for x
    x = 229,460,488.84/17,212.57
  6. Step 6: Final answer
    x = 13,330.99

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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.