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Finding the Fourth Proportional to 17,308.97, 25,986.47 and 11,705.46

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Solution

The fourth proportional to 17,308.97, 25,986.47 and 11,705.46 is: 17,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,308.97 : 25,986.47 = 11,705.46 : x
  2. Step 2: Convert to fraction form
    17,308.97/25,986.47 = 11,705.46/x
  3. Step 3: Cross multiply
    17,308.97x = 25,986.47 × 11,705.46
  4. Step 4: Simplify right side
    17,308.97x = 304,183,526.60
  5. Step 5: Solve for x
    x = 304,183,526.60/17,308.97
  6. Step 6: Final answer
    x = 17,573.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.