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Finding the Fourth Proportional to 60,735.45, 83,821.43 and 33,887.30

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Solution

The fourth proportional to 60,735.45, 83,821.43 and 33,887.30 is: 46,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,735.45 : 83,821.43 = 33,887.30 : x
  2. Step 2: Convert to fraction form
    60,735.45/83,821.43 = 33,887.30/x
  3. Step 3: Cross multiply
    60,735.45x = 83,821.43 × 33,887.30
  4. Step 4: Simplify right side
    60,735.45x = 2,840,481,610.45
  5. Step 5: Solve for x
    x = 2,840,481,610.45/60,735.45
  6. Step 6: Final answer
    x = 46,768.10

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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.