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Finding the Fourth Proportional to 17,297.28, 25,943.40 and 5,608.80

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Solution

The fourth proportional to 17,297.28, 25,943.40 and 5,608.80 is: 8,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,297.28 : 25,943.40 = 5,608.80 : x
  2. Step 2: Convert to fraction form
    17,297.28/25,943.40 = 5,608.80/x
  3. Step 3: Cross multiply
    17,297.28x = 25,943.40 × 5,608.80
  4. Step 4: Simplify right side
    17,297.28x = 145,511,341.92
  5. Step 5: Solve for x
    x = 145,511,341.92/17,297.28
  6. Step 6: Final answer
    x = 8,412.38

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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.