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Finding the Fourth Proportional to 45,220.88, 67,793.03 and 17,125.44

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Solution

The fourth proportional to 45,220.88, 67,793.03 and 17,125.44 is: 25,673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,220.88 : 67,793.03 = 17,125.44 : x
  2. Step 2: Convert to fraction form
    45,220.88/67,793.03 = 17,125.44/x
  3. Step 3: Cross multiply
    45,220.88x = 67,793.03 × 17,125.44
  4. Step 4: Simplify right side
    45,220.88x = 1,160,985,382.06
  5. Step 5: Solve for x
    x = 1,160,985,382.06/45,220.88
  6. Step 6: Final answer
    x = 25,673.66

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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.