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Finding the Fourth Proportional to 17,213.10, 23,755.06 and 9,659.04

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Solution

The fourth proportional to 17,213.10, 23,755.06 and 9,659.04 is: 13,330.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,213.10 : 23,755.06 = 9,659.04 : x
  2. Step 2: Convert to fraction form
    17,213.10/23,755.06 = 9,659.04/x
  3. Step 3: Cross multiply
    17,213.10x = 23,755.06 × 9,659.04
  4. Step 4: Simplify right side
    17,213.10x = 229,451,074.74
  5. Step 5: Solve for x
    x = 229,451,074.74/17,213.10
  6. Step 6: Final answer
    x = 13,330.03

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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.