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Finding the Fourth Proportional to 69,608.54, 96,058.42 and 39,393.30

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Solution

The fourth proportional to 69,608.54, 96,058.42 and 39,393.30 is: 54,361.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,608.54 : 96,058.42 = 39,393.30 : x
  2. Step 2: Convert to fraction form
    69,608.54/96,058.42 = 39,393.30/x
  3. Step 3: Cross multiply
    69,608.54x = 96,058.42 × 39,393.30
  4. Step 4: Simplify right side
    69,608.54x = 3,784,058,156.59
  5. Step 5: Solve for x
    x = 3,784,058,156.59/69,608.54
  6. Step 6: Final answer
    x = 54,361.98

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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.