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Finding the Fourth Proportional to 62,751.48, 86,597.20 and 34,459

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Solution

The fourth proportional to 62,751.48, 86,597.20 and 34,459 is: 47,553.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,751.48 : 86,597.20 = 34,459 : x
  2. Step 2: Convert to fraction form
    62,751.48/86,597.20 = 34,459/x
  3. Step 3: Cross multiply
    62,751.48x = 86,597.20 × 34,459
  4. Step 4: Simplify right side
    62,751.48x = 2,984,052,914.80
  5. Step 5: Solve for x
    x = 2,984,052,914.80/62,751.48
  6. Step 6: Final answer
    x = 47,553.51

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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.