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Finding the Fourth Proportional to 62,960.42, 86,884.29 and 36,101.31

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Solution

The fourth proportional to 62,960.42, 86,884.29 and 36,101.31 is: 49,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,960.42 : 86,884.29 = 36,101.31 : x
  2. Step 2: Convert to fraction form
    62,960.42/86,884.29 = 36,101.31/x
  3. Step 3: Cross multiply
    62,960.42x = 86,884.29 × 36,101.31
  4. Step 4: Simplify right side
    62,960.42x = 3,136,636,687.42
  5. Step 5: Solve for x
    x = 3,136,636,687.42/62,960.42
  6. Step 6: Final answer
    x = 49,819.19

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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.