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Finding the Fourth Proportional to 35,961.88, 53,940.48 and 17,255.20

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Solution

The fourth proportional to 35,961.88, 53,940.48 and 17,255.20 is: 25,881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,961.88 : 53,940.48 = 17,255.20 : x
  2. Step 2: Convert to fraction form
    35,961.88/53,940.48 = 17,255.20/x
  3. Step 3: Cross multiply
    35,961.88x = 53,940.48 × 17,255.20
  4. Step 4: Simplify right side
    35,961.88x = 930,753,770.50
  5. Step 5: Solve for x
    x = 930,753,770.50/35,961.88
  6. Step 6: Final answer
    x = 25,881.68

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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.