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Finding the Fourth Proportional to 62,850.63, 86,735.51 and 34,172.22

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Solution

The fourth proportional to 62,850.63, 86,735.51 and 34,172.22 is: 47,158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,850.63 : 86,735.51 = 34,172.22 : x
  2. Step 2: Convert to fraction form
    62,850.63/86,735.51 = 34,172.22/x
  3. Step 3: Cross multiply
    62,850.63x = 86,735.51 × 34,172.22
  4. Step 4: Simplify right side
    62,850.63x = 2,963,944,324.99
  5. Step 5: Solve for x
    x = 2,963,944,324.99/62,850.63
  6. Step 6: Final answer
    x = 47,158.55

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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.