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Finding the Fourth Proportional to 49,583.82, 68,425.34 and 28,363.44

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Solution

The fourth proportional to 49,583.82, 68,425.34 and 28,363.44 is: 39,141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,583.82 : 68,425.34 = 28,363.44 : x
  2. Step 2: Convert to fraction form
    49,583.82/68,425.34 = 28,363.44/x
  3. Step 3: Cross multiply
    49,583.82x = 68,425.34 × 28,363.44
  4. Step 4: Simplify right side
    49,583.82x = 1,940,778,025.57
  5. Step 5: Solve for x
    x = 1,940,778,025.57/49,583.82
  6. Step 6: Final answer
    x = 39,141.36

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1.5x scale

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.