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Finding the Fourth Proportional to 17,892.26, 26,788.48 and 11,636.64

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Solution

The fourth proportional to 17,892.26, 26,788.48 and 11,636.64 is: 17,422.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,892.26 : 26,788.48 = 11,636.64 : x
  2. Step 2: Convert to fraction form
    17,892.26/26,788.48 = 11,636.64/x
  3. Step 3: Cross multiply
    17,892.26x = 26,788.48 × 11,636.64
  4. Step 4: Simplify right side
    17,892.26x = 311,727,897.91
  5. Step 5: Solve for x
    x = 311,727,897.91/17,892.26
  6. Step 6: Final answer
    x = 17,422.50

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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.