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Finding the Fourth Proportional to 45,170.67, 67,729.74 and 17,092.90

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Solution

The fourth proportional to 45,170.67, 67,729.74 and 17,092.90 is: 25,629.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,170.67 : 67,729.74 = 17,092.90 : x
  2. Step 2: Convert to fraction form
    45,170.67/67,729.74 = 17,092.90/x
  3. Step 3: Cross multiply
    45,170.67x = 67,729.74 × 17,092.90
  4. Step 4: Simplify right side
    45,170.67x = 1,157,697,503.52
  5. Step 5: Solve for x
    x = 1,157,697,503.52/45,170.67
  6. Step 6: Final answer
    x = 25,629.41

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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.