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Finding the Fourth Proportional to 17,203.58, 23,750.79 and 13,162.97

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Solution

The fourth proportional to 17,203.58, 23,750.79 and 13,162.97 is: 18,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,203.58 : 23,750.79 = 13,162.97 : x
  2. Step 2: Convert to fraction form
    17,203.58/23,750.79 = 13,162.97/x
  3. Step 3: Cross multiply
    17,203.58x = 23,750.79 × 13,162.97
  4. Step 4: Simplify right side
    17,203.58x = 312,630,936.25
  5. Step 5: Solve for x
    x = 312,630,936.25/17,203.58
  6. Step 6: Final answer
    x = 18,172.43

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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.