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Finding the Fourth Proportional to 57,685.78, 86,544.60 and 24,388.30

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Solution

The fourth proportional to 57,685.78, 86,544.60 and 24,388.30 is: 36,589.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,685.78 : 86,544.60 = 24,388.30 : x
  2. Step 2: Convert to fraction form
    57,685.78/86,544.60 = 24,388.30/x
  3. Step 3: Cross multiply
    57,685.78x = 86,544.60 × 24,388.30
  4. Step 4: Simplify right side
    57,685.78x = 2,110,675,668.18
  5. Step 5: Solve for x
    x = 2,110,675,668.18/57,685.78
  6. Step 6: Final answer
    x = 36,589.18

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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.