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Finding the Fourth Proportional to 17,059.82, 23,543.21 and 9,889.97

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Solution

The fourth proportional to 17,059.82, 23,543.21 and 9,889.97 is: 13,648.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,059.82 : 23,543.21 = 9,889.97 : x
  2. Step 2: Convert to fraction form
    17,059.82/23,543.21 = 9,889.97/x
  3. Step 3: Cross multiply
    17,059.82x = 23,543.21 × 9,889.97
  4. Step 4: Simplify right side
    17,059.82x = 232,841,473.44
  5. Step 5: Solve for x
    x = 232,841,473.44/17,059.82
  6. Step 6: Final answer
    x = 13,648.53

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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.