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Finding the Fourth Proportional to 17,938.26, 26,883.09 and 17,406.09

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Solution

The fourth proportional to 17,938.26, 26,883.09 and 17,406.09 is: 26,085.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.26 : 26,883.09 = 17,406.09 : x
  2. Step 2: Convert to fraction form
    17,938.26/26,883.09 = 17,406.09/x
  3. Step 3: Cross multiply
    17,938.26x = 26,883.09 × 17,406.09
  4. Step 4: Simplify right side
    17,938.26x = 467,929,484.02
  5. Step 5: Solve for x
    x = 467,929,484.02/17,938.26
  6. Step 6: Final answer
    x = 26,085.56

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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.