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Finding the Fourth Proportional to 5,910.53, 8,861.09 and 2,947.35

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Solution

The fourth proportional to 5,910.53, 8,861.09 and 2,947.35 is: 4,418.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.53 : 8,861.09 = 2,947.35 : x
  2. Step 2: Convert to fraction form
    5,910.53/8,861.09 = 2,947.35/x
  3. Step 3: Cross multiply
    5,910.53x = 8,861.09 × 2,947.35
  4. Step 4: Simplify right side
    5,910.53x = 26,116,733.61
  5. Step 5: Solve for x
    x = 26,116,733.61/5,910.53
  6. Step 6: Final answer
    x = 4,418.68

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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.