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Finding the Fourth Proportional to 17,245.56, 23,799.08 and 9,691.45

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Solution

The fourth proportional to 17,245.56, 23,799.08 and 9,691.45 is: 13,374.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,245.56 : 23,799.08 = 9,691.45 : x
  2. Step 2: Convert to fraction form
    17,245.56/23,799.08 = 9,691.45/x
  3. Step 3: Cross multiply
    17,245.56x = 23,799.08 × 9,691.45
  4. Step 4: Simplify right side
    17,245.56x = 230,647,517.71
  5. Step 5: Solve for x
    x = 230,647,517.71/17,245.56
  6. Step 6: Final answer
    x = 13,374.31

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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.