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Finding the Fourth Proportional to 5,753.89, 8,618.19 and 4,755.39

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Solution

The fourth proportional to 5,753.89, 8,618.19 and 4,755.39 is: 7,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.89 : 8,618.19 = 4,755.39 : x
  2. Step 2: Convert to fraction form
    5,753.89/8,618.19 = 4,755.39/x
  3. Step 3: Cross multiply
    5,753.89x = 8,618.19 × 4,755.39
  4. Step 4: Simplify right side
    5,753.89x = 40,982,854.54
  5. Step 5: Solve for x
    x = 40,982,854.54/5,753.89
  6. Step 6: Final answer
    x = 7,122.63

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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.