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Finding the Fourth Proportional to 69,457.86, 95,835.99 and 39,241.62

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Solution

The fourth proportional to 69,457.86, 95,835.99 and 39,241.62 is: 54,144.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,457.86 : 95,835.99 = 39,241.62 : x
  2. Step 2: Convert to fraction form
    69,457.86/95,835.99 = 39,241.62/x
  3. Step 3: Cross multiply
    69,457.86x = 95,835.99 × 39,241.62
  4. Step 4: Simplify right side
    69,457.86x = 3,760,759,501.90
  5. Step 5: Solve for x
    x = 3,760,759,501.90/69,457.86
  6. Step 6: Final answer
    x = 54,144.48

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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.