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Finding the Fourth Proportional to 57,467.39, 86,201.09 and 15,914.39

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Solution

The fourth proportional to 57,467.39, 86,201.09 and 15,914.39 is: 23,871.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,467.39 : 86,201.09 = 15,914.39 : x
  2. Step 2: Convert to fraction form
    57,467.39/86,201.09 = 15,914.39/x
  3. Step 3: Cross multiply
    57,467.39x = 86,201.09 × 15,914.39
  4. Step 4: Simplify right side
    57,467.39x = 1,371,837,888.19
  5. Step 5: Solve for x
    x = 1,371,837,888.19/57,467.39
  6. Step 6: Final answer
    x = 23,871.59

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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.