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Finding the Fourth Proportional to 17,771.84, 26,648.84 and 5,921.44

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Solution

The fourth proportional to 17,771.84, 26,648.84 and 5,921.44 is: 8,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,771.84 : 26,648.84 = 5,921.44 : x
  2. Step 2: Convert to fraction form
    17,771.84/26,648.84 = 5,921.44/x
  3. Step 3: Cross multiply
    17,771.84x = 26,648.84 × 5,921.44
  4. Step 4: Simplify right side
    17,771.84x = 157,799,507.13
  5. Step 5: Solve for x
    x = 157,799,507.13/17,771.84
  6. Step 6: Final answer
    x = 8,879.19

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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.