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Finding the Fourth Proportional to 69,352.88, 95,700 and 39,135.44

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Solution

The fourth proportional to 69,352.88, 95,700 and 39,135.44 is: 54,002.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,352.88 : 95,700 = 39,135.44 : x
  2. Step 2: Convert to fraction form
    69,352.88/95,700 = 39,135.44/x
  3. Step 3: Cross multiply
    69,352.88x = 95,700 × 39,135.44
  4. Step 4: Simplify right side
    69,352.88x = 3,745,261,608
  5. Step 5: Solve for x
    x = 3,745,261,608/69,352.88
  6. Step 6: Final answer
    x = 54,002.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.