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Finding the Fourth Proportional to 40,366.73, 60,550.23 and 12,664.73

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Solution

The fourth proportional to 40,366.73, 60,550.23 and 12,664.73 is: 18,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,366.73 : 60,550.23 = 12,664.73 : x
  2. Step 2: Convert to fraction form
    40,366.73/60,550.23 = 12,664.73/x
  3. Step 3: Cross multiply
    40,366.73x = 60,550.23 × 12,664.73
  4. Step 4: Simplify right side
    40,366.73x = 766,852,314.39
  5. Step 5: Solve for x
    x = 766,852,314.39/40,366.73
  6. Step 6: Final answer
    x = 18,997.14

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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.