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Finding the Fourth Proportional to 17,894.22, 26,845.53 and 5,414.34

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Solution

The fourth proportional to 17,894.22, 26,845.53 and 5,414.34 is: 8,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,894.22 : 26,845.53 = 5,414.34 : x
  2. Step 2: Convert to fraction form
    17,894.22/26,845.53 = 5,414.34/x
  3. Step 3: Cross multiply
    17,894.22x = 26,845.53 × 5,414.34
  4. Step 4: Simplify right side
    17,894.22x = 145,350,907.27
  5. Step 5: Solve for x
    x = 145,350,907.27/17,894.22
  6. Step 6: Final answer
    x = 8,122.79

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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.