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Finding the Fourth Proportional to 43,635.41, 65,392.53 and 19,884.92

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Solution

The fourth proportional to 43,635.41, 65,392.53 and 19,884.92 is: 29,799.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,635.41 : 65,392.53 = 19,884.92 : x
  2. Step 2: Convert to fraction form
    43,635.41/65,392.53 = 19,884.92/x
  3. Step 3: Cross multiply
    43,635.41x = 65,392.53 × 19,884.92
  4. Step 4: Simplify right side
    43,635.41x = 1,300,324,900.68
  5. Step 5: Solve for x
    x = 1,300,324,900.68/43,635.41
  6. Step 6: Final answer
    x = 29,799.77

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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.