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Finding the Fourth Proportional to 5,876.99, 8,815.58 and 2,755.28

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Solution

The fourth proportional to 5,876.99, 8,815.58 and 2,755.28 is: 4,132.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,876.99 : 8,815.58 = 2,755.28 : x
  2. Step 2: Convert to fraction form
    5,876.99/8,815.58 = 2,755.28/x
  3. Step 3: Cross multiply
    5,876.99x = 8,815.58 × 2,755.28
  4. Step 4: Simplify right side
    5,876.99x = 24,289,333.41
  5. Step 5: Solve for x
    x = 24,289,333.41/5,876.99
  6. Step 6: Final answer
    x = 4,132.96

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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.