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Finding the Fourth Proportional to 5,878.73, 8,800.77 and 5,149.73

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Solution

The fourth proportional to 5,878.73, 8,800.77 and 5,149.73 is: 7,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.73 : 8,800.77 = 5,149.73 : x
  2. Step 2: Convert to fraction form
    5,878.73/8,800.77 = 5,149.73/x
  3. Step 3: Cross multiply
    5,878.73x = 8,800.77 × 5,149.73
  4. Step 4: Simplify right side
    5,878.73x = 45,321,589.29
  5. Step 5: Solve for x
    x = 45,321,589.29/5,878.73
  6. Step 6: Final answer
    x = 7,709.42

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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.