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Finding the Fourth Proportional to 8,273.41, 12,385.49 and 4,976.50

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Solution

The fourth proportional to 8,273.41, 12,385.49 and 4,976.50 is: 7,449.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.41 : 12,385.49 = 4,976.50 : x
  2. Step 2: Convert to fraction form
    8,273.41/12,385.49 = 4,976.50/x
  3. Step 3: Cross multiply
    8,273.41x = 12,385.49 × 4,976.50
  4. Step 4: Simplify right side
    8,273.41x = 61,636,390.99
  5. Step 5: Solve for x
    x = 61,636,390.99/8,273.41
  6. Step 6: Final answer
    x = 7,449.94

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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.