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Finding the Fourth Proportional to 17,241.12, 25,856.03 and 5,551.61

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Solution

The fourth proportional to 17,241.12, 25,856.03 and 5,551.61 is: 8,325.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,241.12 : 25,856.03 = 5,551.61 : x
  2. Step 2: Convert to fraction form
    17,241.12/25,856.03 = 5,551.61/x
  3. Step 3: Cross multiply
    17,241.12x = 25,856.03 × 5,551.61
  4. Step 4: Simplify right side
    17,241.12x = 143,542,479.31
  5. Step 5: Solve for x
    x = 143,542,479.31/17,241.12
  6. Step 6: Final answer
    x = 8,325.59

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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.