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Finding the Fourth Proportional to 62,787.75, 86,647.13 and 34,495.26

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Solution

The fourth proportional to 62,787.75, 86,647.13 and 34,495.26 is: 47,603.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,787.75 : 86,647.13 = 34,495.26 : x
  2. Step 2: Convert to fraction form
    62,787.75/86,647.13 = 34,495.26/x
  3. Step 3: Cross multiply
    62,787.75x = 86,647.13 × 34,495.26
  4. Step 4: Simplify right side
    62,787.75x = 2,988,915,234.48
  5. Step 5: Solve for x
    x = 2,988,915,234.48/62,787.75
  6. Step 6: Final answer
    x = 47,603.48

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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.