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Finding the Fourth Proportional to 57,369.95, 86,025.22 and 25,752.78

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Solution

The fourth proportional to 57,369.95, 86,025.22 and 25,752.78 is: 38,615.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,369.95 : 86,025.22 = 25,752.78 : x
  2. Step 2: Convert to fraction form
    57,369.95/86,025.22 = 25,752.78/x
  3. Step 3: Cross multiply
    57,369.95x = 86,025.22 × 25,752.78
  4. Step 4: Simplify right side
    57,369.95x = 2,215,388,436.35
  5. Step 5: Solve for x
    x = 2,215,388,436.35/57,369.95
  6. Step 6: Final answer
    x = 38,615.84

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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.