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Finding the Fourth Proportional to 4,491.86, 6,731.60 and 2,295.99

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Solution

The fourth proportional to 4,491.86, 6,731.60 and 2,295.99 is: 3,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.86 : 6,731.60 = 2,295.99 : x
  2. Step 2: Convert to fraction form
    4,491.86/6,731.60 = 2,295.99/x
  3. Step 3: Cross multiply
    4,491.86x = 6,731.60 × 2,295.99
  4. Step 4: Simplify right side
    4,491.86x = 15,455,692.02
  5. Step 5: Solve for x
    x = 15,455,692.02/4,491.86
  6. Step 6: Final answer
    x = 3,440.83

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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.