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Finding the Fourth Proportional to 62,396.96, 86,109.80 and 34,102.04

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Solution

The fourth proportional to 62,396.96, 86,109.80 and 34,102.04 is: 47,061.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,396.96 : 86,109.80 = 34,102.04 : x
  2. Step 2: Convert to fraction form
    62,396.96/86,109.80 = 34,102.04/x
  3. Step 3: Cross multiply
    62,396.96x = 86,109.80 × 34,102.04
  4. Step 4: Simplify right side
    62,396.96x = 2,936,519,843.99
  5. Step 5: Solve for x
    x = 2,936,519,843.99/62,396.96
  6. Step 6: Final answer
    x = 47,061.91

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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.