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Finding the Fourth Proportional to 57,572.11, 86,233.14 and 27,927.64

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Solution

The fourth proportional to 57,572.11, 86,233.14 and 27,927.64 is: 41,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,572.11 : 86,233.14 = 27,927.64 : x
  2. Step 2: Convert to fraction form
    57,572.11/86,233.14 = 27,927.64/x
  3. Step 3: Cross multiply
    57,572.11x = 86,233.14 × 27,927.64
  4. Step 4: Simplify right side
    57,572.11x = 2,408,288,089.99
  5. Step 5: Solve for x
    x = 2,408,288,089.99/57,572.11
  6. Step 6: Final answer
    x = 41,830.81

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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.