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Finding the Fourth Proportional to 17,241.75, 25,862.63 and 4,761.90

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Solution

The fourth proportional to 17,241.75, 25,862.63 and 4,761.90 is: 7,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,241.75 : 25,862.63 = 4,761.90 : x
  2. Step 2: Convert to fraction form
    17,241.75/25,862.63 = 4,761.90/x
  3. Step 3: Cross multiply
    17,241.75x = 25,862.63 × 4,761.90
  4. Step 4: Simplify right side
    17,241.75x = 123,155,233.99
  5. Step 5: Solve for x
    x = 123,155,233.99/17,241.75
  6. Step 6: Final answer
    x = 7,142.85

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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.