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Finding the Fourth Proportional to 5,876.78, 8,110.18 and 3,487.99

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Solution

The fourth proportional to 5,876.78, 8,110.18 and 3,487.99 is: 4,813.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,876.78 : 8,110.18 = 3,487.99 : x
  2. Step 2: Convert to fraction form
    5,876.78/8,110.18 = 3,487.99/x
  3. Step 3: Cross multiply
    5,876.78x = 8,110.18 × 3,487.99
  4. Step 4: Simplify right side
    5,876.78x = 28,288,209.30
  5. Step 5: Solve for x
    x = 28,288,209.30/5,876.78
  6. Step 6: Final answer
    x = 4,813.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.