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Finding the Fourth Proportional to 62,911.49, 86,817.52 and 36,053.30

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Solution

The fourth proportional to 62,911.49, 86,817.52 and 36,053.30 is: 49,753.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,911.49 : 86,817.52 = 36,053.30 : x
  2. Step 2: Convert to fraction form
    62,911.49/86,817.52 = 36,053.30/x
  3. Step 3: Cross multiply
    62,911.49x = 86,817.52 × 36,053.30
  4. Step 4: Simplify right side
    62,911.49x = 3,130,058,355.93
  5. Step 5: Solve for x
    x = 3,130,058,355.93/62,911.49
  6. Step 6: Final answer
    x = 49,753.37

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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.