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Finding the Fourth Proportional to 19,241.44, 26,540.96 and 16,966.96

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Solution

The fourth proportional to 19,241.44, 26,540.96 and 16,966.96 is: 23,403.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.44 : 26,540.96 = 16,966.96 : x
  2. Step 2: Convert to fraction form
    19,241.44/26,540.96 = 16,966.96/x
  3. Step 3: Cross multiply
    19,241.44x = 26,540.96 × 16,966.96
  4. Step 4: Simplify right side
    19,241.44x = 450,319,406.68
  5. Step 5: Solve for x
    x = 450,319,406.68/19,241.44
  6. Step 6: Final answer
    x = 23,403.62

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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.