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Finding the Fourth Proportional to 57,572.01, 86,351.94 and 15,456.47

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Solution

The fourth proportional to 57,572.01, 86,351.94 and 15,456.47 is: 23,183.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,572.01 : 86,351.94 = 15,456.47 : x
  2. Step 2: Convert to fraction form
    57,572.01/86,351.94 = 15,456.47/x
  3. Step 3: Cross multiply
    57,572.01x = 86,351.94 × 15,456.47
  4. Step 4: Simplify right side
    57,572.01x = 1,334,695,738.29
  5. Step 5: Solve for x
    x = 1,334,695,738.29/57,572.01
  6. Step 6: Final answer
    x = 23,183.07

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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.