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Finding the Fourth Proportional to 38,375, 57,559.86 and 23,586.20

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Solution

The fourth proportional to 38,375, 57,559.86 and 23,586.20 is: 35,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,375 : 57,559.86 = 23,586.20 : x
  2. Step 2: Convert to fraction form
    38,375/57,559.86 = 23,586.20/x
  3. Step 3: Cross multiply
    38,375x = 57,559.86 × 23,586.20
  4. Step 4: Simplify right side
    38,375x = 1,357,618,369.93
  5. Step 5: Solve for x
    x = 1,357,618,369.93/38,375
  6. Step 6: Final answer
    x = 35,377.68

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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.