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Finding the Fourth Proportional to 40,374.80, 60,544.92 and 12,674.96

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Solution

The fourth proportional to 40,374.80, 60,544.92 and 12,674.96 is: 19,007.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,374.80 : 60,544.92 = 12,674.96 : x
  2. Step 2: Convert to fraction form
    40,374.80/60,544.92 = 12,674.96/x
  3. Step 3: Cross multiply
    40,374.80x = 60,544.92 × 12,674.96
  4. Step 4: Simplify right side
    40,374.80x = 767,404,439.20
  5. Step 5: Solve for x
    x = 767,404,439.20/40,374.80
  6. Step 6: Final answer
    x = 19,007.02

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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.