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Finding the Fourth Proportional to 17,321.68, 23,890.02 and 11,654.56

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Solution

The fourth proportional to 17,321.68, 23,890.02 and 11,654.56 is: 16,073.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,321.68 : 23,890.02 = 11,654.56 : x
  2. Step 2: Convert to fraction form
    17,321.68/23,890.02 = 11,654.56/x
  3. Step 3: Cross multiply
    17,321.68x = 23,890.02 × 11,654.56
  4. Step 4: Simplify right side
    17,321.68x = 278,427,671.49
  5. Step 5: Solve for x
    x = 278,427,671.49/17,321.68
  6. Step 6: Final answer
    x = 16,073.94

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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.