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Finding the Fourth Proportional to 17,193.96, 23,725.96 and 9,639.64

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Solution

The fourth proportional to 17,193.96, 23,725.96 and 9,639.64 is: 13,301.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,193.96 : 23,725.96 = 9,639.64 : x
  2. Step 2: Convert to fraction form
    17,193.96/23,725.96 = 9,639.64/x
  3. Step 3: Cross multiply
    17,193.96x = 23,725.96 × 9,639.64
  4. Step 4: Simplify right side
    17,193.96x = 228,709,713.05
  5. Step 5: Solve for x
    x = 228,709,713.05/17,193.96
  6. Step 6: Final answer
    x = 13,301.75

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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.