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Finding the Fourth Proportional to 17,893.26, 26,819.64 and 9,109.62

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Solution

The fourth proportional to 17,893.26, 26,819.64 and 9,109.62 is: 13,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,893.26 : 26,819.64 = 9,109.62 : x
  2. Step 2: Convert to fraction form
    17,893.26/26,819.64 = 9,109.62/x
  3. Step 3: Cross multiply
    17,893.26x = 26,819.64 × 9,109.62
  4. Step 4: Simplify right side
    17,893.26x = 244,316,728.94
  5. Step 5: Solve for x
    x = 244,316,728.94/17,893.26
  6. Step 6: Final answer
    x = 13,654.12

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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.