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Finding the Fourth Proportional to 57,462.72, 86,194.08 and 15,910.08

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Solution

The fourth proportional to 57,462.72, 86,194.08 and 15,910.08 is: 23,865.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,462.72 : 86,194.08 = 15,910.08 : x
  2. Step 2: Convert to fraction form
    57,462.72/86,194.08 = 15,910.08/x
  3. Step 3: Cross multiply
    57,462.72x = 86,194.08 × 15,910.08
  4. Step 4: Simplify right side
    57,462.72x = 1,371,354,708.33
  5. Step 5: Solve for x
    x = 1,371,354,708.33/57,462.72
  6. Step 6: Final answer
    x = 23,865.12

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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.