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Finding the Fourth Proportional to 43,604.60, 65,241.99 and 25,844.81

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Solution

The fourth proportional to 43,604.60, 65,241.99 and 25,844.81 is: 38,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,604.60 : 65,241.99 = 25,844.81 : x
  2. Step 2: Convert to fraction form
    43,604.60/65,241.99 = 25,844.81/x
  3. Step 3: Cross multiply
    43,604.60x = 65,241.99 × 25,844.81
  4. Step 4: Simplify right side
    43,604.60x = 1,686,166,509.36
  5. Step 5: Solve for x
    x = 1,686,166,509.36/43,604.60
  6. Step 6: Final answer
    x = 38,669.47

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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.