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Finding the Fourth Proportional to 43,879.68, 65,725.08 and 25,107

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Solution

The fourth proportional to 43,879.68, 65,725.08 and 25,107 is: 37,606.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,879.68 : 65,725.08 = 25,107 : x
  2. Step 2: Convert to fraction form
    43,879.68/65,725.08 = 25,107/x
  3. Step 3: Cross multiply
    43,879.68x = 65,725.08 × 25,107
  4. Step 4: Simplify right side
    43,879.68x = 1,650,159,583.56
  5. Step 5: Solve for x
    x = 1,650,159,583.56/43,879.68
  6. Step 6: Final answer
    x = 37,606.46

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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.