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Finding the Fourth Proportional to 48,246.60, 66,550.84 and 31,893.80

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Solution

The fourth proportional to 48,246.60, 66,550.84 and 31,893.80 is: 43,993.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,246.60 : 66,550.84 = 31,893.80 : x
  2. Step 2: Convert to fraction form
    48,246.60/66,550.84 = 31,893.80/x
  3. Step 3: Cross multiply
    48,246.60x = 66,550.84 × 31,893.80
  4. Step 4: Simplify right side
    48,246.60x = 2,122,559,180.79
  5. Step 5: Solve for x
    x = 2,122,559,180.79/48,246.60
  6. Step 6: Final answer
    x = 43,993.96

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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.