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Finding the Fourth Proportional to 62,871.84, 86,781.54 and 37,396.14

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Solution

The fourth proportional to 62,871.84, 86,781.54 and 37,396.14 is: 51,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,871.84 : 86,781.54 = 37,396.14 : x
  2. Step 2: Convert to fraction form
    62,871.84/86,781.54 = 37,396.14/x
  3. Step 3: Cross multiply
    62,871.84x = 86,781.54 × 37,396.14
  4. Step 4: Simplify right side
    62,871.84x = 3,245,294,619.26
  5. Step 5: Solve for x
    x = 3,245,294,619.26/62,871.84
  6. Step 6: Final answer
    x = 51,617.62

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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.