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Finding the Fourth Proportional to 62,187.97, 85,821.69 and 35,335.03

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Solution

The fourth proportional to 62,187.97, 85,821.69 and 35,335.03 is: 48,763.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,187.97 : 85,821.69 = 35,335.03 : x
  2. Step 2: Convert to fraction form
    62,187.97/85,821.69 = 35,335.03/x
  3. Step 3: Cross multiply
    62,187.97x = 85,821.69 × 35,335.03
  4. Step 4: Simplify right side
    62,187.97x = 3,032,511,776.25
  5. Step 5: Solve for x
    x = 3,032,511,776.25/62,187.97
  6. Step 6: Final answer
    x = 48,763.64

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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.