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Finding the Fourth Proportional to 69,504.98, 95,915.83 and 39,289.24

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Solution

The fourth proportional to 69,504.98, 95,915.83 and 39,289.24 is: 54,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,504.98 : 95,915.83 = 39,289.24 : x
  2. Step 2: Convert to fraction form
    69,504.98/95,915.83 = 39,289.24/x
  3. Step 3: Cross multiply
    69,504.98x = 95,915.83 × 39,289.24
  4. Step 4: Simplify right side
    69,504.98x = 3,768,459,388.64
  5. Step 5: Solve for x
    x = 3,768,459,388.64/69,504.98
  6. Step 6: Final answer
    x = 54,218.56

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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.