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Finding the Fourth Proportional to 57,467.52, 86,207.28 and 15,914.52

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Solution

The fourth proportional to 57,467.52, 86,207.28 and 15,914.52 is: 23,873.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,467.52 : 86,207.28 = 15,914.52 : x
  2. Step 2: Convert to fraction form
    57,467.52/86,207.28 = 15,914.52/x
  3. Step 3: Cross multiply
    57,467.52x = 86,207.28 × 15,914.52
  4. Step 4: Simplify right side
    57,467.52x = 1,371,947,481.71
  5. Step 5: Solve for x
    x = 1,371,947,481.71/57,467.52
  6. Step 6: Final answer
    x = 23,873.44

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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.