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Finding the Fourth Proportional to 40,382.60, 60,705.11 and 40,185.77

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Solution

The fourth proportional to 40,382.60, 60,705.11 and 40,185.77 is: 60,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,382.60 : 60,705.11 = 40,185.77 : x
  2. Step 2: Convert to fraction form
    40,382.60/60,705.11 = 40,185.77/x
  3. Step 3: Cross multiply
    40,382.60x = 60,705.11 × 40,185.77
  4. Step 4: Simplify right side
    40,382.60x = 2,439,481,083.83
  5. Step 5: Solve for x
    x = 2,439,481,083.83/40,382.60
  6. Step 6: Final answer
    x = 60,409.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.